Senior Software Engineer I, Frontend (Data and Reporting)

🏢 Summary: Senior Backend / Full Stack Engineer role focused on designing and building scalable APIs, backend services, and merchant-facing reporting features for a restaurant technology platform. The position involves end-to-end development of data-driven dashboards and analytics tools, contributing to cloud architecture, DevOps practices, and system reliability. The engineer will collaborate cross-functionally while shaping technical decisions and mentoring other developers. 🗂️ Requirements: 5+ years backend or full-stack engineering experience, Strong proficiency in Python, Experience with Go, Experience with TypeScript or JavaScript, Experience building and consuming RESTful APIs, Proficiency with React, Experience with PostgreSQL, Experience with MongoDB, Experience with AWS services, Experience with Docker, Experience with Kubernetes, Experience with CI/CD pipelines 📃 Skills: Python, Go, TypeScript, JavaScript, React, REST, PostgreSQL, MongoDB, AWS, IAM, S3, RDS, Lambda, Docker, Kubernetes, CI/CD, ClickHouse, Kafka, Snowflake, ETL, Grafana, OpenTelemetry 🏢 Description: We’re not just building restaurant tech—we’re giving independent restaurants the tools to compete and win. From our award-winning point-of-sale to AI-powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t about helping restaurants succeed. Named the #1 Restaurant POS by G2 (Fall 2025), based on ratings from real users Rated the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra users Awarded Great Places to Work and Built In’s Best Workplaces for multiple years running We move fast, care hard, and fight for independent restaurant operators to do what they love, and love doing it. If you’re looking to make an impact with heart and hustle, SpotOn is the place for you. As a Senior Software Engineer — Backend / Full Stack on our Data and Reporting team, you’ll design, build, and own the systems and experiences that help restaurant operators understand their business. You’ll architect scalable backend services and APIs, work across the stack to deliver merchant-facing reporting features, and collaborate closely with product, design, and data teams. This role offers meaningful autonomy—your technical judgment will directly shape the product and the platform. On a daily basis you will: Design and build scalable RESTful APIs and backend services that power merchant-facing reporting and analytics features. Develop full-stack features end-to-end—from backend data models and APIs through to frontend components and data visualizations. Build and maintain responsive, accessible reporting dashboards and chart visualizations that help merchants make better business decisions. Collaborate with product managers, designers, and data engineers to define requirements and deliver polished, high-quality experiences. Contribute to system architecture decisions, including cloud infrastructure (AWS), containerization, and CI/CD pipeline improvements. Conduct code reviews, establish technical standards, and mentor junior and mid-level engineers on best practices. Implement monitoring, logging, and alerting solutions to ensure platform reliability and observability. What skill are we looking for? 5+ years of professional backend or full-stack software engineering experience Strong proficiency in Python; experience with Go and TypeScript or JavaScript is highly beneficial. Solid experience building and consuming RESTful APIs, with a strong understanding of API design best practices. Proficiency with React—comfortable building and maintaining complex component architectures and data-driven UIs. Experience with relational and NoSQL databases, especially PostgreSQL and MongoDB. Familiarity with cloud services, particularly AWS (IAM, S3, RDS, Lambda). Comfortable with containerization and orchestration tools such as Docker and Kubernetes. Strong experience with CI/CD pipelines and modern DevOps methodologies. Strong communication skills and the ability to collaborate effectively with cross-functional teams. Comfort with ambiguity and the judgment to make sound product and technical decisions independently. Perfect candidate also has: Experience with infrastructure as code (IaC) tools and best practices. Background or interest in data engineering concepts—familiarity with tools like ClickHouse, Kafka, Snowflake, or ETL pipelines is a plus. Knowledge of data observability and monitoring tools, including Grafana and OpenTelemetry. Experience building analytics dashboards or reporting interfaces. Experience in the restaurant or hospitality technology sector. Here’s a bit about what we have to offer: Competitive pay: 19 500 - 24 400 PLN net on B2B. Training budget 3500 PLN gross per year. Access to e-learning platforms (O’Reilly). Fully paid private healthcare in LuxMed. Access to the Worksmile platform with a monthly top-up. Subsidized access to breakfast and lunch through the vending machine in Kraków office, and lunches in Gdańsk office once a week. Group English classes with a native speaker. New Macbook Pro, 4K monitors or whatever tools you need. Flexible working hours. New, modern, bright and comfortable office space in the city centre. Access to the company’s library. Great working atmosphere. Chill out room with a PlayStation and games. Free snacks and beverages in a kitchen. Company parties and social activities. Employee referral program. Relocation Package within Poland.

🏢 Summary: Backend Engineer role focused on designing, building, and maintaining scalable, high-performance backend systems supporting real-world transaction flows. The position involves end-to-end ownership of services, API design, and production reliability within a modern cloud-based infrastructure. The role requires strong Python expertise and experience with modern frameworks and cloud-native technologies. 🗂️ Requirements: 5–7 years of experience building production systems, Minimum 3 years of hands-on experience with Python, Proficiency in Python and at least one framework: Django, FastAPI, or Flask, Experience designing and building APIs, Experience with SQL and NoSQL databases, Ability to write efficient queries and optimize performance, Experience with AWS, Kubernetes, and Terraform, Knowledge of modern deployment and infrastructure practices, Experience working with AI tools in development workflow, English proficiency at minimum B2 level, Availability to work hybrid from Kraków or Gdańsk office 2–3 times per week 📃 Skills: Python, Django, FastAPI, Flask, API, SQL, NoSQL, AWS, Kubernetes, Terraform, AI 🏢 Description: We’re not just building restaurant tech—we’re giving independent restaurants the tools to compete and win. From our award-winning point-of-sale to AI-powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t about helping restaurants succeed. Named the #1 Restaurant POS by G2 (Fall 2025), based on ratings from real users Rated the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra users Awarded Great Places to Work and Built In’s Best Workplaces for multiple years running We move fast, care hard, and fight for independent restaurant operators to do what they love, and love doing it. If you’re looking to make an impact with heart and hustle, SpotOn is the place for you. On a daily basis you will: Own backend systems end-to-end—from design and implementation to deployment and monitoring. Build, improve, and maintain services to support real-world transaction flows with a focus on reliability and performance. Design and evolve APIs, ensuring they are scalable, resilient, and easy to integrate with. Collaborate with engineers and stakeholders to define solutions, address system limitations, and make sound technical decisions. Identify and resolve performance bottlenecks, bugs, and edge cases in production environments. Participate in code reviews, mentor engineers, and raise the bar on code quality and best practices. Proactively identify technical debt and drive improvements before they become blockers. What skill are we looking for? You’ve spent 5–7 years building production systems, with at least 3 years working deeply in Python. You are willing to work in a hybrid setup, coming into our Kraków or Gdańsk office 2–3 times per week. You are highly proficient in Python and at least one modern framework (Django, FastAPI, or Flask), and you take ownership of what you build—from design through production. You have strong experience building and consuming APIs, and understand how systems communicate, fail, and scale in real-world environments. You are comfortable with both SQL and NoSQL databases, and can analyze data, write efficient queries, and reason about performance. You write clean, maintainable code and apply solid engineering principles and design patterns consistently. You use AI tools as part of your daily workflow to move faster, solve problems, and improve code quality. You are familiar with modern infrastructure and deployment practices, including AWS, Kubernetes, and Terraform, and understand how your code behaves in production. You have a solid command of English (min. B2) and are ready to collaborate in person at our Kraków or Gdańsk offices 2-3 times a week. Here’s a bit about what we have to offer: Competitive pay: 23 800 - 29 800 PLN net on B2B. Training budget 3500 PLN gross per year. Access to e-learning platforms (O’Reilly). Fully paid private healthcare in LuxMed. Access to the Worksmile platform with a monthly top-up. Subsidized access to breakfast and lunch through the vending machine in Kraków office, and lunches in Gdańsk office once a week. Group English classes with a native speaker. New Macbook Pro, 4K monitors or whatever tools you need. Flexible working hours. New, modern, bright and comfortable office space in the city centre. Access to the company’s library. Great working atmosphere. Chill out room with a PlayStation and games. Free snacks and beverages in a kitchen. Company parties and social activities. Employee referral program. Relocation Package within Poland. The controller of your personal data included in your job offer and others collected during the recruitment process is SpotOn Poland spółka z ograniczoną odpowiedzialnością with its registered office in Kraków, Aleja 29 listopada 20, 31-401 Kraków, e-mail address: poland-rodo@spoton.com . We will process your personal data for the purpose of current or, if you voluntarily agree, also future recruitment processes. More information about how we proccess your data, including the basis for processing and your rights in relation to the processing, can be found on our website: https://pl.spoton.com/privacy-and-cookies-policy . Administratorem podanych danych osobowych, w tym danych zawartych w dokumentach aplikacyjnych i zebranych w toku procesu rekrutacji, jest SpotOn Poland Sp. z o.o. z siedzibą w Krakowie (ul. Aleja 29 listopada 20, 31-401 Kraków; adres e-mail do kontaktu: poland-rodo@spoton.com . Dane osobowe będą przetwarzane w celu realizacji obecnych lub – jeżeli wyrazisz na to dobrowolną zgodę – także przyszłych procesów rekrutacji. Więcej informacji o tym, jak przetwarzamy Twoje dane, w tym także informacje o podstawach prawnych przetwarzania oraz o prawach przysługujących Ci w związku z przetwarzaniem danych, znajdziesz na stronie: https://pl.spoton.com/privacy-and-cookies-policy .

🏢 Summary: The offer is for a QA Engineer responsible for ensuring the quality of web and mobile restaurant technology products through comprehensive testing, quality planning, and cross-team collaboration. The role focuses on identifying defects, improving QA processes, and supporting product improvements in a fast-paced environment. It combines manual testing, API validation, and exposure to test automation tools. 🗂️ Requirements: 2+ years experience as QA Engineer, Experience writing test cases, Experience with test case management tools, Experience with bug tracking tools, Experience testing web and mobile applications, API testing experience, Knowledge of proxy or monitoring tools, Understanding of automated testing tools, Proficiency with Windows or Mac OS, English proficiency minimum B2 level, Availability to work from office 2-3 times per week 📃 Skills: TestRail, Jira, Postman, Charles, Grafana, Firebase, Kotlin, Espresso, Windows, MacOS, API, QA, Testing 🏢 Description: We’re not just building restaurant tech, we’re giving independent restaurants the tools to compete and win. From our award-winning point-of-sale to AI-powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t about helping restaurants succeed. Named the #1 Restaurant POS by G2 (Fall 2025), based on ratings from real users Rated the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra users Awarded Great Places to Work and Built In’s Best Workplaces for multiple years running We move fast, care hard, and fight for independent restaurant operators to do what they love, and love doing it. If you’re looking to make an impact with heart and hustle, SpotOn is the place for you. On a daily basis you will: Test current products and identify deficiencies. Effectively review requirements, design documents, and acceptance criteria to create complete comprehensive test plans. Suggest solutions to identified product problems . Investigate product quality in order to make improvements to achieve better customer satisfaction. Plan, create, and manage the overall Quality Planning strategy. Collaborate with the Product and Development teams to ensure consistent project execution. Identify quality assurance process bottlenecks and suggest actions for improvement. Must have a "willing to learn" attitude and be flexible to adapt in a fast paced environment. Must be able to work on multiple tasks at a time with the ability to manage their own time and priorities effectively. What skill are we searching for? 2+ years of experience as a QA Engineer. Willing to come into our Kraków or Gdańsk office 2-3 times per week. Attention to detail across platforms ranging from web to native mobile apps. Experience with writing test cases and using test case management software, such as TestRail. Experience with using bug tracking tool, such as Jira. Proficient with Windows or Mac OS. Excellent command of written and spoken English (min. B2 level). Perfect candidate also has: Experience testing APIs (Postman). Experience with proxy tools, such as Charles. Experience with monitoring tools like Grafana, Firebase. Experience with automated testing tools, such as Kotlin automation in Espresso. Experience in Banking/Financial, Retail, or Restaurant domains is preferable. Here’s a bit about what we have to offer: Competitive pay: 9300 - 11 700 PLN net on B2B. Training budget 3500 PLN gross per year. Access to e-learning platforms (O’Reilly). Fully paid private healthcare in LuxMed. Access to the Worksmile platform with a monthly top-up. Subsidized access to breakfast and lunch through the vending machine in Kraków office, and lunches in Gdańsk office once a week. Group English classes with a native speaker. New Macbook Pro, 4K monitors or whatever tools you need. Flexible working hours. New, modern, bright and comfortable office space in the city centre. Access to the company’s library. Great working atmosphere. Chill out room with a PlayStation and games. Free snacks and beverages in a kitchen. Company parties and social activities. Employee referral program. Relocation Package within Poland. The controller of your personal data included in your job offer and others collected during the recruitment process is SpotOn Poland spółka z ograniczoną odpowiedzialnością with its registered office in Kraków, Aleja 29 listopada 20, 31-401 Kraków, e-mail address: poland-rodo@spoton.com . We will process your personal data for the purpose of current or, if you voluntarily agree, also future recruitment processes. More information about how we proccess your data, including the basis for processing and your rights in relation to the processing, can be found on our website: https://pl.spoton.com/privacy-and-cookies-policy . Administratorem podanych danych osobowych, w tym danych zawartych w dokumentach aplikacyjnych i zebranych w toku procesu rekrutacji, jest SpotOn Poland Sp. z o.o. z siedzibą w Krakowie (ul. Aleja 29 listopada 20, 31-401 Kraków; adres e-mail do kontaktu: poland-rodo@spoton.com . Dane osobowe będą przetwarzane w celu realizacji obecnych lub – jeżeli wyrazisz na to dobrowolną zgodę – także przyszłych procesów rekrutacji. Więcej informacji o tym, jak przetwarzamy Twoje dane, w tym także informacje o podstawach prawnych przetwarzania oraz o prawach przysługujących Ci w związku z przetwarzaniem danych, znajdziesz na stronie: https://pl.spoton.com/privacy-and-cookies-policy . We will never ask candidates to pay fees, purchase equipment, or share sensitive personal or financial information during the hiring process. All legitimate communication from our recruiting team will come from an official company email address (@ spoton.com ). If something seems suspicious, please contact us at careers@spoton.com . SpotOn is an equal employment opportunity employer. Qualified candidates are considered for employment without regard to race, religion, gender, gender identity, sexual orientation, national origin, age, military or veteran status, disability, or any other characteristic protected by applicable law. SpotOn is an E-Verify company.

🏢 Summary: Lead the QA strategy as a Confidence (QA) Manager, driving automation and quality culture across Web and Android POS products used in high-pressure restaurant environments. Own automation frameworks, CI/CD testing pipelines, and device labs while mentoring a QA team and embedding shift-left testing practices. Ensure resilient, high-performance, zero-downtime user experiences across critical ordering and payment flows. 🗂️ Requirements: 3+ years leading QA or software testing teams, Hands-on experience in automated testing for Web or Android, Experience designing and maintaining automation frameworks, Experience managing device testing labs, emulators, or cloud device farms, Experience implementing CI/CD testing pipelines, Ability to define and track quality KPIs, Fluent English (written and spoken) 📃 Skills: Playwright, Cypress, Espresso, Appium, Kotlin, React, TypeScript, Python, Django, Go, PostgreSQL, Docker, GitHub, CI/CD, Android, AI, LLM 🏢 Description: We’re not just building restaurant tech, we’re giving independent restaurants the tools to compete and win. From our award-winning point-of-sale to AI-powered profit tools, everything we do helps operators boost profit, work smarter, and keep their best people. And every solution is backed by real humans who actually give a sh*t about helping restaurants succeed. Named the #1 Restaurant POS by G2 (Fall 2025), based on ratings from real users Rated the top-rated point-of-sale (POS) for restaurants, bars, retail, and small businesses by Capterra users Awarded Great Places to Work and Built In’s Best Workplaces for multiple years running We move fast, care hard, and fight for independent restaurant operators to do what they love, and love doing it. If you’re looking to make an impact with heart and hustle, SpotOn is the place for you. At SpotOn, we don’t believe in "QA" as a safety net that catches bugs at the very end of a sprint. We believe in Confidence —the absolute certainty that the code we ship today empowers our merchants to run their businesses flawlessly tomorrow. As a Confidence (Quality Assurance) Manager , you will lead the strategic vision and the team responsible for manual and automation testing across our products. You will guide our Automation Testing (AT) strategy, build robust tools, and—most importantly— foster a culture where the mindset of writing automated tests is shared by every single software engineer on the team. You will be a technical leader, a experience advocate, and a coach, ensuring our testing velocity matches our ambitious product roadmap. Why This Role Matters (Core Business Impact) Our software does not run in sterile, quiet offices. It runs in chaotic, high-heat, high-noise environments. Picture a Saturday night dinner rush: kitchen staff are rushing, servers are tapping screens with greasy or wet fingers, the Wi-Fi network is fluctuating, credit card readers are dropping connections, and the printer just ran out of paper mid-receipt. In this environment, staff have zero patience for sluggish UI transitions, and there is no room for error. High staff turnover in the US hospitality industry also means our systems must be incredibly intuitive—any UX friction leads to order mistakes and lost revenue. A system crash, a broken payment flow, or even a 3-second lag during peak hours doesn’t just mean a minor glitch; it means cold food, lost tips for hard-working servers, angry diners, and thousands of dollars in lost revenue for the restaurant owner. Your mission as a Confidence Manager is to address these harsh, real-world conditions: Where Code Meets Physical Chaos: Ensure our software is resilient to the unexpected—such as unexpected network dropouts (offline-mode reliability), hardware peripheral disconnects (printers, cash drawers, terminals), and rapid, muscle memory UI tapping. UX and Real-User Experience Focus: Champion tests that measure actual user perceived latency, UI transitions, and end-to-end user journeys rather than just validating API endpoints. Zero Downtime during Peak Hours: Guarantee that critical login, getting menu updates, checkout, ordering, payment flows, and end-of-day reports are bulletproof across Web and Mobile platforms through regression coverage. Rapid Time-to-Market: Accelerate feature shipping by building automated, self-healing, and highly reliable CI/CD test feedback loops, removing human-bottleneck manual validation. On a daily basis you will: Drive the "Shift-Left" Quality Culture: Work closely with Engineering Managers to embed quality early in the development lifecycle. Foster a shared-ownership model in which writing automated tests is a standard practice for all software engineers. Lead and Coach: Manage, mentor, and grow a team of Confidence (QA) Engineers. Conduct 1:1s, support career progression, and foster a healthy, continuous-learning team dynamic. Own the Automation Strategy: Design and continuously refine our Automation Testing (AT) platforms and frameworks for Web and Android environments. Manage the Device Testing Lab: Oversee the infrastructure for automated testing on physical Android stations, handhelds, and peripherals, combining emulator tests. Leverage Modern AI Tools: Champion the integration of generative AI and LLM-assisted tools (e.g., Claude, automated test generation, visual regression analysis, AI-driven self-healing test scripts) to dramatically speed up the creation and maintenance of automated tests. Maintain the Testing Platform: Work closely with DevOps and Platform teams to build and maintain ultra-fast, reliable CI/CD pipelines (e.g., via GitHub Actions) that the engineering organization fully trusts. Define Quality Metrics: Track and expose actionable quality KPIs (such as user-perceived performance, test coverage, execution speed, flaky test rates, and defect leakage) to drive data-informed improvements. What skill are we looking for? Management Experience: 3+ years of experience leading, mentoring, and scaling high-performing QA or software testing teams. Strong Automation Background: A proven hands-on technical background in automated testing for Web (e.g., Playwright, Cypress) or Android (e.g., Espresso, Appium, Kotlin automation). Having experience in both is a massive plus. UX and Experience Advocate: You don't just test functionality; you test usability. You have empathy for the end-user (the server, the chef, the diner) and have experience setting up visual regression, performance budget testing, and perceived latency benchmarks. Lab & Device Infrastructure Knowledge: Experience managing device testing matrices, cloud device farms or emulators, and physical test environments containing connected POS hardware. The "Shared-Quality" Mindset: A strong track record of teaching, influencing, and persuading developers to take ownership of test automation. You know how to make automated testing a low-friction process for all engineers. AI & Velocity Booster: Experience or clear, practical strategies for utilizing AI tools to accelerate automated test authoring, visual UI validation, or test maintenance. Pragmatic Problem Solver: You have the "Figure it Out" gene. You prefer end-user outcomes and business impact over technical purity. Excellent Communicator: Fluent in English (written and verbal), with the ability to articulate quality-related challenges, environmental edge cases, and trade-offs to both technical and non-technical stakeholders. Perfect candidate also has: Familiarity with our current stack: React (TypeScript), Python (Django), Go, Kotlin, PostgreSQL, Docker, GitHub Actions . Domain experience in Fintech, Merchant Services, Point of Sale, or SaaS hospitality platforms. Here’s a bit about what we have to offer: Competitive salary Training budget 3500 PLN gross per year. Access to e-learning platforms (O’Reilly). Fully paid private healthcare in LuxMed. Access to the Worksmile platform with a monthly top-up. Subsidized access to breakfast and lunch through the vending machine in Kraków office, and lunches in Gdańsk office once a week. Group English classes with a native speaker. New Macbook Pro, 4K monitors or whatever tools you need. Flexible working hours. New, modern, bright and comfortable office space in the city centre. Access to the company’s library. Great working atmosphere. Chill out room with a PlayStation and games. Free snacks and beverages in a kitchen. Company parties and social activities. Employee referral program. Relocation Package within Poland. Parking space in the underground garage. The controller of your personal data included in your job offer and others collected during the recruitment process is SpotOn Poland spółka z ograniczoną odpowiedzialnością with its registered office in Kraków, Aleja 29 listopada 20, 31-401 Kraków, e-mail address: poland-rodo@spoton.com . We will process your personal data for the purpose of current or, if you voluntarily agree, also future recruitment processes. More information about how we proccess your data, including the basis for processing and your rights in relation to the processing, can be found on our website: https://pl.spoton.com/privacy-and-cookies-policy . Administratorem podanych danych osobowych, w tym danych zawartych w dokumentach aplikacyjnych i zebranych w toku procesu rekrutacji, jest SpotOn Poland Sp. z o.o. z siedzibą w Krakowie (ul. Aleja 29 listopada 20, 31-401 Kraków; adres e-mail do kontaktu: poland-rodo@spoton.com . Dane osobowe będą przetwarzane w celu realizacji obecnych lub – jeżeli wyrazisz na to dobrowolną zgodę – także przyszłych procesów rekrutacji. Więcej informacji o tym, jak przetwarzamy Twoje dane, w tym także informacje o podstawach prawnych przetwarzania oraz o prawach przysługujących Ci w związku z przetwarzaniem danych, znajdziesz na stronie: https://pl.spoton.com/privacy-and-cookies-policy . We will never ask candidates to pay fees, purchase equipment, or share sensitive personal or financial information during the hiring process. All legitimate communication from our recruiting team will come from an official company email address (@ spoton.com ). If something seems suspicious, please contact us at careers@spoton.com . SpotOn is an equal employment opportunity employer. Qualified candidates are considered for employment without regard to race, religion, gender, gender identity, sexual orientation, national origin, age, military or veteran status, disability, or any other characteristic protected by applicable law.

🏢 Summary: Senior or Staff Backend Engineer role focused on architecting and scaling AI-native backend systems for a modern accounting platform. The position involves designing distributed services, building high-performance APIs, and establishing engineering standards to support rapid, reliable product delivery. You will work closely with Product, AI, and Operations teams to develop agentic systems and scalable data pipelines. 🗂️ Requirements: 5–10+ years of backend engineering experience, Proven experience designing, building, and operating production backend systems at scale, Strong expertise in API design, Strong expertise in data modelling, Deep understanding of distributed systems trade-offs, Hands-on experience with AWS or GCP in production, Practical experience with CI/CD in high-frequency deployment environments, Experience implementing testing and deployment strategies, Strong knowledge of observability practices, Experience participating in on-call rotations 📃 Skills: TypeScript, Node.js, React, AWS, GCP, Terraform, PostgreSQL, OpenAI, Azure, CI/CD, APIs, DistributedSystems 🏢 Description: ABOUT THE ROLE We're looking for a Senior or Staff Backend Engineer to own and evolve our backend services as we scale. This is a broad, high-impact role — you'll architect new features, build the systems that underpin our core product, and set the engineering standards that shape how the whole team works. The focus is on building a modern, AI-native developer experience. That means working closely with Product, AI, and Operations teams to design agentic systems, distributed data pipelines, and scalable incident response infrastructure — and doing it in a way that lets the team ship with confidence multiple times a day. WHAT YOU'LL WORK ON Architecture and feature design Partner with Product, AI, and Operations teams to architect new features and complex agentic systems. Make clear architectural trade-offs that balance platform, product, and business goals. Backend services and APIs Build and maintain the backend services and APIs that power the core product. Ensure systems are secure, well-tested, and high performance. Distributed systems Design and implement distributed services to orchestrate data pipelines, automate investigations, and enable incident response at scale. Operational excellence Own operational best practices so the team can ship multiple times a day with confidence. Healthy on-call culture and strong observability are part of what you'll build and maintain. Engineering standards Set the bar for writing, communication, and system design across the team. Your influence will shape how a modern AI-native product is built. WHAT WE LOOK FOR 5–10+ years of backend engineering experience A strong track record designing, building, and operating production backend systems at scale. Deep backend fundamentals Expertise in API design, data modelling, and reasoning about distributed systems trade-offs. You understand the nuances, not just the patterns. AWS or GCP hands-on experience Solid understanding of how infrastructure decisions impact application reliability and performance. You've run things in production, not just designed them. CI/CD in practice Practical experience with testing and deployment strategies in high-frequency shipping environments. Observability and on-call maturity A solid grasp of what good observability looks like and how to build healthy on-call practices that don't burn people out. Bonus Experience at an early-stage or scaling startup. Exposure to modern AI and ML systems. Experience shipping product without a dedicated product manager. TECH STACK TypeScript, React, Node.js, AWS, Terraform, PostgreSQL, OpenAI, Azure AI. The team uses GitHub, Slack, Linear, Figma, and Notion day to day. THE TEAM Small, senior, and in-person. The office is in central Wrocław, next to the main train station. The expectation is 4–5 days a week in the office. Relocation support is available for the right candidate. COMPENSATION & BENEFITS Salary $130,000 – $190,000 USD depending on experience, plus competitive equity. Wellness and commute stipend $100 per month. Hardware Premium hardware provided — MacBook Pro and AirPods. Food Daily in-office lunch and dinner. Time off 20 PTO days plus 9 US public holidays. Relocation Support available for candidates relocating to Wrocław.

🏢 Summary: Senior Frontend Engineer role focused on leading development of a high-traffic web application for shipping management and rate comparison. The position involves end-to-end frontend ownership, from translating designs into production-ready interfaces to optimizing performance and accessibility. You will shape architecture decisions and maintain standards within a React/TypeScript monorepo environment. 🗂️ Requirements: 8+ years of production frontend development experience, 3+ years in senior role within scale-up or start-up environment, Deep expertise in React and TypeScript, Strong knowledge of state management and component architecture, Proficiency in HTML semantics and modern CSS, Experience with web performance optimization and Core Web Vitals, Practical expertise in WCAG 2.2 AA accessibility standards, Experience with unit, integration, and end-to-end testing, Experience working with monorepos, Ability to contribute to frontend and API architecture decisions 📃 Skills: React, TypeScript, JavaScript, HTML, CSS, Grid, Flexbox, WCAG, CoreWebVitals, Testing, Monorepo, API, AWS, Snowflake, Figma 🏢 Description: Senior Frontend Engineer Our Client is an ambitious tech company on a mission to create a frictionless shipping experience for SMEs. They wrap real-time pricing, comparison, booking, and tracking into a clean and unified interface, replacing outdated logistics processes with a seamless digital platform. Role We are looking for an experienced Senior Frontend Engineer to play a central role in shaping a web app where thousands of customers every week sign up, compare rates, manage integrations, and book shipments. You will work end-to-end—from understanding customer problems to shipping production code—while leading frontend work on a core value team (Customer Experience, Marketplace, or SaaS). Responsibilities Plan and lead frontend development within your value team, collaborating closely with PMs, designers, and backend engineers. Translate designs into production user interfaces that are accessible, performant, well-tested, and consistent with the rest of the product. Build prototypes to put working code in front of customers when validating product ideas. Own web performance on the surfaces you touch, ensuring excellent Core Web Vitals to boost conversion rates. Champion accessibility across the platform (WCAG 2.2 AA is the baseline). Contribute to architecture decisions that cross the frontend/backend line, including API boundaries and real-time updates. Maintain shared standards across a React/TypeScript monorepo through code reviews and technical councils. Mentor junior engineers and contribute to the evolution of the company's design system. Key competences 8+ years of experience writing production frontend code, with the last 3+ at a senior level in a scale-up/start-up environment. Deep React and TypeScript experience, with strong opinions on state management and component architecture. Solid web fundamentals: HTML semantics, modern CSS (Grid, Flexbox, container queries), browser rendering pipelines, and the network layer. Accessibility expertise as a practitioner skill, capable of spotting WCAG issues during design reviews. Fluency in web performance, measuring and optimizing Core Web Vitals on real products. High testing maturity (unit, integration, and end-to-end tests). Excellent written and spoken English communication skills. Bonus points for: Experience with large-scale monorepos, background in logistics/marketplaces/B2B SaaS, contributing to design systems, embedding AI-assisted features, or a working knowledge of Go. Salary and Conditions Salary up to 7000 Euro per month 100% remote from Poland B2B contract signed directly with our Client Start ASAP Benefits Work with a modern tech stack (React, TypeScript, AWS, Snowflake, Figma, Claude Code, etc.) A curious, collaborative, low-ego culture within a Great Place to Work certified environment

🏢 Summary: Senior Frontend Engineer role focused on building enterprise-grade AI-powered Next.js applications with complex state management, real-time features, and scalable frontend architecture. The position involves creating advanced AI interfaces, improving performance and accessibility, and contributing to design systems in a fully on-site Warsaw office environment. Candidates will work with modern AI development tools and enterprise-scale frontend technologies. 🗂️ Requirements: 5+ years of frontend development experience, 3+ years of React experience, Strong TypeScript skills, Production experience with Next.js, Knowledge of App Router, Knowledge of Server Components, Understanding of SSR, Understanding of SSG, Understanding of CSR, Experience with complex state management, Experience with real-time updates, Experience with optimistic UI, Experience with multi-tenant systems, Experience building AI or LLM interfaces, Knowledge of frontend performance optimization, Experience improving Core Web Vitals, Understanding of accessibility standards, Understanding of localization, Understanding of frontend security, Experience handling sensitive data, Experience using AI coding assistants, Strong communication skills, Ability to work fully on-site in Warsaw 📃 Skills: React, TypeScript, Next.js, SSR, SSG, CSR, AI, LLM, CoreWebVitals, Accessibility, Localization, Security, ReactFlow, Highcharts, Node.js, Python, RAG, OpenAI, Codex, GitHub, Copilot 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About us We believe that businesses are moving toward AI-powered work, and we are building a platform for this future. Many AI agents cannot handle complex business tasks. We created a platform that organizes company policies, workflows, and business knowledge into one AI data model. This helps AI agents make accurate decisions and deliver reliable results at scale. We already work with well-known enterprise customers such as Glovo, Nespresso, and HelloFresh. Our platform supports thousands of users and processes real production data. Customers trust us with important business knowledge because we provide a secure and reliable solution with SOC2, HIPAA-ready security practices, and strong integrations. Job description We are looking for a Senior Frontend Engineer who enjoys building high-quality user interfaces for enterprise AI products. In this role, you will design and build important frontend features, solve complex UI problems, and improve the user experience over time. You will take ownership of frontend architecture and help build production Next.js applications with complex state management, real-time AI features, and enterprise functionality. The position is based in Warsaw and requires working from the office. Responsibilities Design and build production Next.js applications that support complex state, high traffic, and real-time AI features. Create user interfaces for AI-powered tools, including streaming AI responses, semantic search, knowledge graphs, and AI agents. Build and improve our component library and design system to keep the user experience consistent, accessible, and reusable. Deliver enterprise features such as localization, accessibility, browser compatibility, and security. Monitor applications after release, improve performance, reduce bundle size, track Core Web Vitals, and help systems scale. Maintain high engineering standards through code reviews, testing, and mentoring other developers. Requirements More than 5 years of frontend development experience, including at least 3 years working with React and modern TypeScript. Strong experience building production applications with Next.js, including App Router, Server Components, and understanding SSR, SSG, and CSR. Experience managing complex application state, including real-time updates, optimistic UI, multi-tenant systems, and large amounts of data. Experience building AI or LLM-based interfaces such as chat applications, streaming responses, or semantic search. Strong knowledge of frontend performance and experience improving Core Web Vitals in large applications. Good understanding of accessibility, localization, security, and enterprise application standards. A security-focused approach and experience working with sensitive data. Strong product thinking and the ability to improve user experience without waiting for detailed designs. Experience using AI coding assistants as part of your daily development work. Good written and spoken communication skills and the ability to explain technical decisions clearly. Nice to have Experience with React Flow, Highcharts, or other data visualization libraries. Experience building vector search, RAG, generative AI, or semantic search interfaces. Basic knowledge of Node.js or Python to understand backend code and APIs. Experience contributing to design systems or open-source UI libraries. What we offer B2B contract and company stock options. MacBook Pro. Modern technology stack and the opportunity to contribute to open-source projects. An AI-focused development environment with tools such as Claude Code, OpenAI Codex, and GitHub Copilot. Our values Our leadership team has strong experience in AI, knowledge management, and enterprise SaaS. We have received more than $60 million in funding and have been recognized by Gartner as a Cool Vendor. Our work is guided by these values: Quality – We care about excellent work and high standards in everything we build. Momentum – We take initiative, share ideas, and keep moving forward. Accountability – We take responsibility for our work and give honest, respectful feedback. Hard work – We believe success comes from teamwork, dedication, and consistent effort. Learning agility – We stay curious, learn from mistakes, and continue improving. Adapt and thrive – We welcome change and see challenges as opportunities to grow. Win together – We work as one team, communicate openly, and support our shared goals.

🏢 Summary: Senior Frontend Software Engineer role focused on building and delivering cloud-based software using modern JavaScript technologies, React, and Software Craftsmanship practices in a remote-first environment. The position involves end-to-end software development, collaboration with international teams, and working with distributed systems and cloud platforms. Candidates will contribute to scalable solutions while leveraging AI-assisted development tools and clean architecture principles. 🗂️ Requirements: 5+ years of professional experience with JavaScript, Experience with Modern JavaScript, Experience with TypeScript, Experience with React, Experience with RxJS, Experience with Node, Experience with Mocha, Experience with Express, Experience with Enzyme, Understanding of distributed systems, Understanding of microservices, Understanding of event-driven architectures, Experience with cloud platforms, AI-assisted software development experience, Ability to design, test, deploy, and maintain cloud-based systems 📃 Skills: JavaScript, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme, AWS, GCP, Azure, Microservices, Cloud, Claude 🏢 Description: We are looking for a Senior Frontend Software Engineer who is hungry to deliver quality software at pace, by utilising the latest technology trends and modern Software Craftsmanship techniques. Who are we ? We are a remote-first boutique software house company founded by a group of seasoned software experts (average experience in the team is 12 years). What connected all of us, despite a long-term relationship, is a passion for building Great Software that matters. We believe in people, so this is why the key values of Shaped Thoughts are autonomy and trust. Our people have a real and direct impact on what and how we build things. We put extra effort into ensuring everyone can make a difference and grow among other experts. Qualifications: Modern JS, TypeScript, React, RxJS, Node, Mocha, Express, Enzyme 5+ years of professional experience with JavaScript Understanding of distributed systems, microservices, and event-driven architectures Experience with cloud platforms (AWS / GCP / Azure) AI-assisted software development experience As a part of the team you will : Design, implement, code review, test and deploy cloud-based systems Develop software from start to finish - you ship it, you run it! Collaborate with other international teams on paving the way for a successful delivery Work closely with senior stakeholders on identifying business requirements and shaping the product Deliver quality technical solutions that come from a robust design and clean architecture Build & improve the software delivery process using tools such as Claude Code How do we work? We work as a team - all people can freely exchange knowledge and tasks, that’s why we’re looking for strong team players We believe in continuous improvement (Kaizen mindset) We’re happy to share knowledge and spend time learning our domain and new technologies We value asynchronous communication for work, however we meet in person to improve our personal relationships What do we offer ? Being a part of a strong senior team with an ability to learn and exchange knowledge Remote-first work environment (or you can work from our office in Wroclaw if you fancy :-) B2B rate 140-190 PLN / hour, depending on your level of expertise Open-ended B2B contract or contract of employment Recruitment process It consists of the following stages: CV screening Tech screening (45 min) Live coding session (1.15h) The last stage is F2F and requires on-site presence in one of the major cities: Wrocław, Poznań, Katowice, Kraków, Warszawa or Gdańsk. We actively encourage AI-assisted development in our daily work. However, during recruitment, we want to assess your individual skills - please don't use AI assistance unless explicitly permitted for a given stage.

🏢 Summary: Senior Backend Python Engineer role focused on building scalable AI-powered enterprise software and owning backend services from architecture to production. The position involves backend development, distributed systems, cloud infrastructure, and technical leadership in a hybrid B2B environment. Candidates will collaborate across teams to deliver secure, high-performance applications using modern engineering and AI-assisted workflows. 🗂️ Requirements: 6+ years building production-grade backend systems, Strong Python experience, Experience with distributed systems, Knowledge of concurrency and asynchronous processing, Experience designing REST APIs, Experience with scalable architectures, Hands-on cloud platform experience, Database design and performance optimization knowledge, Experience building secure enterprise applications, Ability to own projects from design to deployment, Cross-functional collaboration skills, Strong troubleshooting and problem-solving skills, Excellent English communication skills, Experience with AI tooling and automation workflows 📃 Skills: Python, REST, AWS, GCP, Azure, SQL, TypeScript, LLM, AI, Monitoring, Logging, Observability, Automation 🏢 Description: Senior Backend Engineer (Python) 📍 Warsaw, Poland (Hybrid) ☑️ Full-time 🕦 B2B Contract 💰 $8.000 - $12.000/month We are hiring a Senior Backend Python Engineer for an innovative technology company building AI-powered enterprise software used by organizations worldwide. This role is ideal for an experienced backend engineer who enjoys designing scalable production systems, solving complex technical challenges, and taking ownership of critical backend services from architecture through production. You'll work closely with product, frontend, and platform engineers to build reliable, secure, and high-performance applications while leveraging modern AI-assisted engineering practices . As a Senior Backend Python Engineer you will provide backend development, system design, cloud infrastructure, and technical leadership in a fast-paced engineering environment where ownership and continuous improvement are highly valued. Requirements 6+ years of experience building and maintaining production-grade backend systems Strong hands-on experience with Python and modern backend development practices Strong understanding of distributed systems, concurrency, asynchronous processing, and scalable architectures Experience designing and developing REST APIs and backend services Hands-on experience with cloud platforms such as AWS, GCP, or Azure Strong knowledge of database design, performance optimization, and high-throughput applications Experience building secure, reliable enterprise applications with a security-first mindset Ability to own projects from technical design through deployment and production support Experience working closely with cross-functional engineering and product teams Strong troubleshooting, problem-solving, and communication skills Excellent written and verbal English communication skills Improve engineering leverage with AI tooling , automation, and internal workflows rather than using AI as a gimmick Nice to Have Experience building AI-powered applications, agentic systems, LLM integrations, or orchestration frameworks Experience with TypeScript or full-stack development Experience mentoring engineers or contributing to technical leadership Experience with observability, monitoring, logging, and performance optimization Experience working in fast-growing product or startup environments Responsibilities Design, develop, and maintain scalable backend services, APIs, and asynchronous processing systems Translate business requirements into robust technical solutions and scalable system designs Own services throughout their lifecycle, including deployment, monitoring, reliability, and continuous improvement Design efficient data models and optimize database performance for production workloads Collaborate with product, frontend, and platform teams to deliver end-to-end features Improve engineering productivity through automation and AI-assisted development workflows Participate in architecture discussions, code reviews, and technical decision-making Implement monitoring, logging, and observability solutions to ensure production reliability Continuously improve system scalability, performance, security, and maintainability Contribute to engineering best practices and knowledge sharing across the team

🏢 Summary: Senior Backend Engineer role focused on designing, building, and maintaining production backend systems and AI-driven workflows in a fully onsite Warsaw office environment. The position involves ownership of system architecture, APIs, distributed systems, and cloud infrastructure from design through production. Candidates will collaborate across teams, improve engineering processes with AI tools, and contribute to scalable, reliable solutions. 🗂️ Requirements: Strong experience as a senior backend engineer on production systems, Excellent Python programming skills, Understanding of distributed systems, Experience with AWS or Azure cloud platforms, Knowledge of SQL and NoSQL databases, Experience with asynchronous processing and service design, Ability to design and deliver systems from idea to production, Strong written and spoken communication skills, Regular use of AI development tools, Ability to work fully onsite in Warsaw 📃 Skills: Python, AWS, Azure, SQL, NoSQL, APIs, AI, TypeScript, GitHub, Copilot, Claude, OpenAI, Codex 🏢 Description: Please note: This role requires working from our office in Warsaw city centre 5 days a week . This is a fully on-site position , and remote or hybrid work is not available . About Us Many companies want to use AI agents, but these agents often struggle with real business tasks. We solve this problem by building a platform that helps AI understand business rules, workflows, and processes. This allows AI to make better decisions and provide accurate, reliable, and compliant results. Well-known companies from different industries use our technology to automate up to 85% of customer cases, reduce handling time by 20–25%, and complete tasks that used to take hours in just seconds. We also work with leading technology partners and have been recognized for our innovative approach. Our goal is to help people everywhere get better answers through AI. Job Description We are looking for a Senior Backend Engineer who can take ownership of important systems instead of only completing assigned tasks. You will solve complex problems, design backend solutions, build them, and make sure they run well in production. We want someone with strong technical skills, good communication, and the ability to create simple, reliable, and easy-to-maintain systems. This is a product engineering role with responsibility from system design to production. The position is based in Warsaw and requires office work. Responsibilities Design and develop backend services, APIs, data processing, and background tasks for production systems. Turn unclear business needs into clear technical plans and practical solutions. Maintain services after release by improving reliability, monitoring, performance, and fixing issues. Make good decisions about system architecture, data models, interfaces, and future scaling. Write technical documentation, architecture notes, and diagrams when they help the team. Work closely with product managers, frontend engineers, and platform engineers to deliver complete solutions. Improve development processes using AI tools, automation, and internal workflows. Support the team through code reviews, design reviews, and practical technical leadership. Requirements Strong experience as a senior backend engineer working on production systems. Excellent Python skills and the ability to write clean and maintainable code. Good understanding of distributed systems, including concurrency, failure handling, data consistency, asynchronous processing, and service design. Experience with cloud platforms such as AWS, Azure, or similar services. Knowledge of SQL, NoSQL databases, schema design, and performance optimization. Ability to take a project from an idea through design and implementation to production. Strong written and spoken communication skills with the ability to explain technical topics clearly. Regular use of AI tools in everyday development and interest in improving AI-based workflows. Nice to Have Experience with LLM-based applications, search systems, AI infrastructure, or large data pipelines. Knowledge of TypeScript or the ability to contribute to frontend development when needed. Experience guiding other engineers and influencing technical decisions without being a formal manager. What We Offer B2B contract and company stock options. MacBook Pro for work. Modern technology stack and opportunities to contribute to open-source projects. Access to advanced AI development tools, including GitHub Copilot, Claude Code, OpenAI Codex, TypingMind, and MCP servers. Our Culture and Values Our leadership team has strong experience in AI and knowledge management. We have secured more than $60 million in funding and achieved three years of continuous 3x growth. Our work is based on these values: Quality – We aim for excellent work and high coding standards. Momentum – We take initiative and keep projects moving forward. Accountability – We take responsibility and give honest, respectful feedback. Hard Work – We believe great results come from teamwork and consistent effort. Learning Agility – We stay curious, learn from mistakes, and improve every day. Adapt and Thrive – We accept change and see challenges as opportunities. Win Together – We succeed as one team through honesty, openness, and support for our shared mission.