Senior Project Manager (Customer Success; 100% remote)

🏢 Summary: Full-time, 100% remote Senior Frontend Developer role focused on building and scaling complex, responsive web applications powered by AI-driven platforms. The position involves architecting high-quality front-end solutions, integrating with back-end services, and ensuring performance, scalability, and cross-browser compatibility. The role also includes driving best practices, code quality, and modern front-end standards within the team. 🗂️ Requirements: Strong knowledge of HTML5, CSS3, JavaScript (ES6), Strong understanding of DOM, Experience with React.js, Experience with Material UI, Experience with Responsive Design and cross-browser compatibility, Familiarity with SASS or LESS, Understanding of BEM methodology, Knowledge of CSS-in-JS, Knowledge of browser storage (cookies, localStorage, sessionStorage), Proficiency with npm or yarn, Experience with Jest or equivalent testing frameworks, Understanding of SEO best practices, Familiarity with TypeScript, Knowledge of SSR and service workers, Experience with Webpack, Vite, or Rollup, Understanding of browser extensions integration 📃 Skills: HTML5, CSS3, JavaScript, ES6, DOM, React, MaterialUI, SASS, LESS, BEM, CSS-in-JS, cookies, localStorage, sessionStorage, npm, yarn, Jest, TypeScript, SSR, Webpack, Vite, Rollup, SEO, ServiceWorkers 🏢 Description: Senior Frontend Developer (100% remote) 💰 Salary: 20,000-23,000 PLN/month 🌎 100% Remote 🕦 Full-time position ☑️ B2B or Contract of Employment We are looking for a Senior Frontend Developer for a partner client that helps businesses use artificial intelligence to run more efficiently and grow faster. The company builds and provides digital platforms and consulting services that enable organizations to manage operations, analyze data, and improve performance. Their solutions combine AI, automation, and deep business expertise to help clients simplify workflows, gain insights, and deliver greater value. Requirements: HTML5 , CSS3 , JavaScript (ES6) Strong understanding of the Document Object Model (DOM) Skilled in Responsive Design and cross-browser compatibility Experience with React.js and Material UI Familiarity with CSS preprocessors such as SASS or LESS Understanding of BEM methodology and CSS-in-JS approaches Knowledge of browser storage mechanisms (cookies, localStorage, sessionStorage) Proficient in using package managers (npm/yarn) Experience in unit testing using Jest or equivalent frameworks Understanding of SEO best practices Familiarity with TypeScript for type-safe, large-scale applications Knowledge of server-side rendering (SSR) and service workers Experience with code bundling and modern module bundlers (e.g., Webpack, Vite, Rollup) Understanding of browser extensions and their integration with web applications Responsibilities: Develop and maintain  complex, responsive user interfaces for large-scale web applications. Architect and integrate front-end components with back-end APIs and services , ensuring security, scalability, and performance. Drive the implementation of pixel-perfect UI/UX designs across browsers and devices. Provide technical mentorship to junior developers and guide the team in adopting modern best practices. Conduct code reviews , enforce standards, and maintain a clean, modular codebase. Evaluate and recommend new frameworks, tools, and libraries to enhance productivity. Manage project timelines, estimate development efforts, and collaborate effectively with cross-functional teams. Maintain comprehensive front-end documentation , design patterns, and style guides. Stay updated with industry trends , emerging technologies, and front-end innovations to continuously improve team capabilities. Participate in architectural discussions , ensuring long-term scalability and maintainability of the front-end ecosystem. Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com

🏢 Summary: Senior Backend Developer role focused on designing and delivering scalable server-side applications and APIs using Python and Django for early-stage B2B SaaS products. The position involves architectural ownership, system reliability, and performance optimization in a fully remote, full-time setup. The developer will drive backend best practices, testing, and CI/CD processes. 🗂️ Requirements: 5+ years of backend development experience, Extensive experience with Python, Extensive experience with Django, Proficiency in data modelling, Experience with relational databases, Experience with non-relational databases, Ability to write complex SQL queries, Experience with API design, Experience with system integrations, Experience with distributed systems (synchronous and asynchronous), Hands-on experience with Docker, Hands-on experience with Redis, Experience with message brokers, Experience with cron jobs, Experience writing unit tests (e.g. Pytest), Strong understanding of code quality and testing best practices, Good command of English for technical communication 📃 Skills: Python, Django, SQL, Docker, Redis, Pytest, APIs, Databases, PostgreSQL, MongoDB, CI/CD, MessageBroker, Cron, Git 🏢 Description: Senior Backend Developer (Python/Django; 100% remote) 💰 Salary: 23,400-25,500 PLN/month 🌎 100% Remote 🕦 Full-time position ☑️ B2B or Contract of Employment We are looking for a Senior Backend Developer for a partner client with a compelling mission: they act as a product and technology partner for early-stage B2B SaaS founders, helping them navigate the crucial journey from launch to their first million in revenue. They essentially become the dedicated tech backbone for these startups. Requirements: 5+ years of professional backend development experience. Extensive, proven experience with Python and the Django framework. Proficient in data modelling, relational and non-relational databases, and complex SQL queries. Strong experience with API design, integrations, and distributed systems (synchronous & asynchronous communication). Hands-on experience with Docker, Redis, message brokers, and cron jobs. Expertise in writing unit tests (e.g., Pytest) and a commitment to code quality and testing best practices. Great understanding of English with strong communication and collaboration skills. Nice to have: Previous experience in Greentech or Ecotech is a significant plus. Experience as an unofficial tech lead or mentoring junior developers. Knowledge of additional testing methodologies (integration, end-to-end). Responsibilities: Lead the design and development of complex server-side applications, APIs, and databases, taking ownership of architectural decisions. Architect, write, and deliver high-quality, scalable, and efficient code using Python and Django. Collaborate closely with cross-functional teams, including front-end developers and the tech lead, to align backend development with project goals. Architect and implement advanced user authentication, authorisation, and security mechanisms. Conduct performance analysis and optimisation, identifying bottlenecks and implementing solutions. Drive the implementation of automated testing and CI/CD processes to ensure code reliability. Establish and enforce coding standards, conduct thorough code reviews, and document backend architecture and APIs. Take responsibility for system reliability, scalability, and security, ensuring best practices. Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com

🏢 Summary: Senior Product Manager role responsible for defining and executing the strategic roadmap of a SaaS platform and shared services in a fully remote environment (Poland-based). The position focuses on leading product initiatives across identity, eventing, messaging, and integration domains within a modern software architecture. The role oversees the full product lifecycle, ensuring high-quality delivery and continuous platform improvement. 🗂️ Requirements: Proven Product Owner or Product Management experience in Agile environments, Experience with SaaS platforms and shared services, Strong knowledge of identity management systems, Experience with monitoring and observability solutions, Hands-on understanding of eventing frameworks (e.g., Kafka, Confluent, CQRS), Experience with messaging and notification systems, Experience designing and managing APIs and system integrations 📃 Skills: SaaS, Agile, ProductManagement, Identity, Monitoring, Observability, Kafka, Confluent, CQRS, Messaging, Eventing, APIs, Integrations, Platform, SharedServices 🏢 Description: Senior Product Manager Location: 100% remote – but you need to be based in Poland Salary: Up to 25,000 PLN Company: Work for a leader in the SaaS industry, specializing in software solutions for insurance companies. About the Role: We are looking for a highly skilled Senior Product Manager to join our team. In this role, you will be in charge of Strategic Direction: The Senior Product Manager is responsible for defining and executing product initiatives within a dynamic software environment, ensuring our solutions continue to lead the market. Key Responsibilities: Drive the strategic direction, product vision, and roadmap for our SaaS platform and shared services. Act as a bridge between business stakeholders and engineering teams, translating complex requirements into actionable product features. Oversee the entire product lifecycle from ideation to launch, ensuring timely delivery and high-quality outcomes. Monitor product performance, user engagement, and market trends to continuously iterate and improve our offerings. Collaborate with cross-functional teams to align product strategies with the company’s goals. Requirements: Solid history of Product Owner roles and/or Product Management experience in agile environments. SaaS Platform / Shared Services history – ideally with strong knowledge and experience in: Identity management Monitoring & observability Eventing frameworks (Kafka, Confluent, CQRS, Message Hub, etc.) Messaging & notifications API & Integrations Insurance background is a plus but not a hard requirement. Exceptional communication and leadership skills with the ability to manage complex stakeholder relationships. Fluent English (both written and spoken). What We Offer: Competitive salary up to 25,000 PLN. 100% fully remote work environment (based in Poland). The opportunity to work for an established leader in the SaaS/insurance tech industry. A dynamic, innovative environment where your strategic decisions shape the future of our software solutions. If you are a driven product professional with a passion for platform services and modern software architectures, we encourage you to apply!

🏢 Summary: Senior Customer Success Manager role focused on guiding enterprise clients through adoption of a cloud-native analytics and AI platform. The position combines technical advisory, strategic account leadership, and post-sales enablement to ensure measurable business value and platform integration. It requires close collaboration with Product and Engineering while driving renewals and account growth. 🗂️ Requirements: Residence in Poland, Work from Warsaw office at least 3 days per week, Degree in ComputerScience, Engineering, DataScience or related field, 7+ years in CustomerSuccess or technical customer-facing roles in SaaS or enterprise software, Hands-on experience with cloud-native technologies, Experience with major cloud providers, Knowledge of data modeling and ETL/ELT processes, Understanding of ML lifecycle and MLOps, Experience managing complex enterprise accounts, Knowledge of Agile and DevOps practices, Experience with CRM or CustomerSuccess tools, Fluency in English or German 📃 Skills: CloudNative, Microservices, Kubernetes, Docker, AWS, Azure, GCP, DataModeling, ETL, ELT, SemanticLayer, MLOps, AI, BI, SaaS, Salesforce, Gainsight, Agile, DevOps, Telemetry, CRM 🏢 Description: This position requires living in Poland and working from the Warsaw office at least three times per week. Contract of Employment (UoP) Your new company Our Client is a global leader in enterprise analytics and AI, helping organizations turn data into intelligent action. Their cloud‑native platform and semantic layer power modern analytics, while our forward‑thinking approach to digital assets strengthens our financial strategy. Innovation, agility, and impact define our culture. Your new role As a Senior Customer Success Manager, you will guide enterprise clients through the full post‑sales journey. You’ll ensure they successfully adopt our cloud‑native architecture, semantic layer, and AI‑driven analytics and that these solutions deliver measurable business value. You’ll lead strategic discussions, support technical integrations, collaborate with Product and Engineering, and help drive account growth. 1. Technical Strategy & Customer Outcomes Serve as the primary technical advisor, guiding customers through cloud‑native architectures, semantic layer implementations, and AI analytics workflows. Lead strategic whiteboard sessions with executive stakeholders to align platform capabilities with business priorities. Analyze customer processes to identify high‑impact use cases and ensure technical initiatives translate into tangible ROI. Build and execute customer success roadmaps with clear KPIs, adoption milestones, and alignment to enterprise architecture and security standards. Conduct Quarterly Business Reviews to present progress, value delivered, and future plans. 2. Enablement & Adoption Oversee technical configuration and integration to accelerate time‑to‑value. Deliver advanced demos, developer office hours, and workshops for engineering, BI, and data science teams. Monitor account health using telemetry to proactively address performance issues, integration challenges, and adoption gaps. Use engagement data to identify risks and opportunities for deeper value realization. 3. Product Collaboration & Advocacy Gather and synthesize customer feedback to influence product direction and feature development. Partner with Engineering to guide strategic customers through Alpha/Beta programs for new platform and AI capabilities. Act as the escalation point for complex technical issues, coordinating between customer teams and internal developers. Advise on platform enhancements, integrations, and upgrades aligned with customer data strategies. 4. Commercial Partnership & Relationship Growth Support renewals and expansions by ensuring continuous delivery of business and technical value. Collaborate with Sales and Account Management to identify upsell and cross‑sell opportunities. Identify renewal risks early and contribute to mitigation plans. Build strong, reference‑ready customer relationships for case studies, testimonials, and industry events. What you'll need to succeed Technical Requirements Degree in Business, Computer Science, Engineering, Data Science, or a related field (or equivalent experience). Hands‑on experience with cloud‑native technologies (microservices, Kubernetes, Docker) and major cloud providers (AWS, Azure, GCP). Strong understanding of data modeling, ETL/ELT, semantic layers, and the ML lifecycle (MLOps, deployment). Familiarity with BI tools, enterprise analytics, or AI‑driven data platforms is an advantage. Experience & Skills 7+ years in Customer Success or similar technical customer‑facing roles within SaaS or enterprise software. Experience managing complex enterprise accounts with multiple stakeholders. Ability to interpret usage data and telemetry to drive insights and recommendations. Strong communication skills, especially in explaining complex technical concepts to non‑technical leaders. Solid project management and cross‑functional collaboration experience. Knowledge of Agile and DevOps practices. Experience with CRM and Customer Success tools (e.g., Salesforce, Gainsight). Fluency in English or German. What you need to do now If you're interested in this role, click 'apply now' to forward an up-to-date copy of your CV, or call us now. Hays Poland sp. z o.o. is an employment agency registered in a registry kept by Marshal of the Mazowieckie Voivodeship under the number 361.

🏢 Summary: Full-time remote engineering role focused on developing and scaling a SaaS platform that delivers digital identity records for physical products via QR codes. The position involves building and extending a Django-based backend, creating React/TypeScript front-end features, and designing data pipelines integrating external product systems. The engineer will also contribute to cloud infrastructure reliability and architectural decisions as the platform grows. 🗂️ Requirements: 5+ years of hands-on software engineering experience, Advanced Python and Django expertise, Strong TypeScript and React proficiency, Experience with REST APIs and webhooks, Experience processing JSON, XML, CSV data formats, Experience with Google Cloud Platform or AWS or Azure, Experience using AI-assisted development tools (e.g., Claude, GitHub Copilot), Advanced English proficiency 📃 Skills: Python, Django, TypeScript, React, Tailwind, REST, Webhooks, JSON, XML, CSV, GCP, AWS, Azure, Claude, Copilot 🏢 Description: 💰 Salary: 19 100 - 23 400 PLN per month 🌎 100% remote 🕦 Full-time position, long-term ☑️ B2B Contract The company operates a SaaS platform that lets brands create and administer digital identity records for their physical goods. Shoppers reach these records by scanning QR codes on items such as apparel or footwear, landing in branded interfaces that surface sustainability data, maintenance guidance, after-sales support, and secondary market options. The product ingests existing product data from brand clients and makes it consumable at scale. Requirements: At least 5+ years of hands-on engineering experience, combined with solid product thinking Advanced Python capability, since Django carries most of the platform's business logic Confident working knowledge of TypeScript, React, and Tailwind CSS Practical background integrating REST endpoints and webhooks, plus experience parsing inconsistent production data in formats such as JSON, XML, and CSV Direct exposure to Google Cloud Platform, or transferable depth in AWS or Azure Daily use of AI-assisted development tools such as Claude or GitHub Copilot as part of standard workflow Advanced spoken and written English Nice to Have: Prior work with enterprise resource planning or product information management systems, for instance SAP, Akeneo, or inRiver Exposure to GS1 specifications or other supply chain data interchange formats Key Responsibilities: Extend and refine the Django-based Python backend through new API endpoint development, data model changes, background job processing, and performance tuning Build and maintain the APIs that power the Passport Builder product Deliver user-facing functionality written in TypeScript and React within the Passport Builder and the administrative tools used by brand teams Take responsibility for uptime and monitoring on GCP infrastructure, spotting anomalies ahead of customer-reported incidents Contribute to technical direction and shape architectural choices as the platform expands across additional clients, larger product catalogs, and new geographic regions Architect and implement data pipelines that move ERP, PLM, and PIM records from client systems into the platform during new brand onboarding Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 Summary: Full-time Team Lead Software Engineer role focused on leading a full-stack team building high-performance web applications using React and Node.js. The position combines hands-on development with architectural ownership, mentoring, and delivery of scalable, AI-powered enterprise platforms. Work involves designing microservices, APIs, and cloud-based containerized deployments in a hybrid setup from Warsaw. 🗂️ Requirements: 7+ years full-stack experience with React.js and Node.js in production, 2+ years in Team Lead or senior engineering leadership role, Strong knowledge of React ecosystem (Redux, Hooks, component architecture, performance optimization), Proficiency in HTML5, CSS3, JavaScript ES6+, Experience with build tools (Webpack, Vite, or Babel), Experience with Express.js and RESTful API design, Knowledge of OAuth, JWT, session-based authentication, Experience with PostgreSQL or MySQL, Experience with MongoDB or other NoSQL databases, Hands-on experience with Docker, Familiarity with AWS or other major cloud platform, Experience with Git and Agile/Scrum methodologies 📃 Skills: React, Redux, JavaScript, HTML5, CSS3, Node.js, Express, REST, GraphQL, OAuth, JWT, PostgreSQL, MySQL, MongoDB, Docker, Kubernetes, AWS, Git, Webpack, Vite, Babel, Agile, Scrum 🏢 Description: 💰 Salary: 29,500–33,200 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ Contract of Employment We are looking for a Team Lead Software Engineer to join our client, a technology company that builds AI-powered platforms and consulting solutions for enterprise operations, with a strong focus on the private capital sector. The company has over ten years of experience working with high-growth and PE-backed businesses, combining deep domain expertise with advanced technology to drive measurable results. In this role, the focus will be on leading a team of developers across front-end and back-end development, owning architectural decisions, and contributing directly to the codebase. You will mentor engineers and drive the delivery of high-performance web applications using React and Node.js. Requirements 7+ years of full-stack development experience with React.js and Node.js in production environments 2+ years in a team lead, tech lead, or senior engineering leadership role Strong command of the React ecosystem: Redux, React Hooks, component architecture, and performance optimization Solid HTML5, CSS3, and modern JavaScript (ES6+); experience with build tooling such as Webpack, Vite, or Babel Proficiency with Express.js and API design (RESTful; GraphQL is a plus) Working knowledge of auth patterns: OAuth, JWT, session-based authentication Hands-on experience with PostgreSQL or MySQL; familiarity with MongoDB or similar NoSQL databases Docker experience required; Kubernetes is a plus Familiarity with at least one major cloud platform (AWS preferred) Comfortable with Git workflows and Agile/Scrum delivery Responsibilities Lead and mentor a team of software engineers; run code reviews, set engineering standards, and hold the bar on quality Architect and build full-stack features using React.js (with Redux and Hooks) on the front end and Node.js / Express.js on the back end Design scalable microservices and RESTful (or GraphQL) APIs aligned with product requirements Own the testing strategy: define coverage expectations, enforce unit and integration testing, and integrate quality gates into CI/CD pipelines Manage containerized deployments via Docker; collaborate on infrastructure with cloud platforms (AWS, Azure, or GCP) Partner directly with Product and Design to translate requirements into production-grade, accessible interfaces Model and maintain SQL and NoSQL data schemas; own data interaction patterns across services Monitor production systems, triage incidents, and drive root-cause resolution Keep technical documentation accurate and up to date Get to know DevsData We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team. We employ people with experience in international corporations as well as the ones from the best technical and business universities. Find out more: https://devsdata.com

🏢 Summary: Full-time Senior Full Stack Developer role focused on building scalable, data-driven platforms for financial and enterprise sectors using Node.js and React. The position involves designing microservices, developing RESTful APIs, and creating responsive front-end applications in a hybrid work model (Warsaw). 🗂️ Requirements: 5+ years experience as Senior Full Stack Developer, Strong expertise in Node.js, Strong expertise in React, Experience with Express.js, Experience building RESTful or GraphQL APIs, Knowledge of OAuth and JWT authentication, Proficiency in Redux, HTML5, CSS3, ES6+, Experience with Vite, Webpack or Babel, Experience with MySQL or PostgreSQL, Experience with AWS, Azure or GCP, Experience with Docker and Kubernetes, Proficiency with Git 📃 Skills: Node.js, React, Express.js, GraphQL, REST, OAuth, JWT, Redux, HTML5, CSS3, JavaScript, ES6, Vite, Webpack, Babel, MySQL, PostgreSQL, AWS, Azure, GCP, Docker, Kubernetes, Git, SQL, MongoDB, CI/CD 🏢 Description: Senior Full Stack Developer (Node.js + React) 💰 Salary: 23,000-24,800 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Full-Stack Developer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: 5+ years of experience as a Senior Full Stack Developer with significant expertise in Node.js and React. Strong experience in building server-side applications using Node.js and Express.js. Hands-on experience with API development and integration, particularly with GraphQL or RESTful services. Strong knowledge of authentication and authorization mechanisms (OAuth, JWT, session-based). Front-end proficiency in React.js, Redux, HTML5, CSS3, and modern JavaScript (ES6+). Familiarity with front-end build tools such as Vite, Webpack, and Babel. Strong experience with databases such as MySQL and  PostgreSQL. Experience with cloud platforms (AWS, Azure, or GCP), as well as containerization and orchestration tools such as Docker and Kubernetes. Strong experience using Git and version control systems. Proficiency in English (both written and spoken). Key Responsibilities: Design, build, and maintain scalable, high-performance server-side applications and RESTful APIs using Node.js and Express.js. Develop and maintain interactive, responsive user interfaces using React.js, Redux, and modern JavaScript (ES6+). Lead the design and implementation of scalable architectures and microservices. Work closely with database engineers to design efficient schemas and manage data interactions using SQL databases or MongoDB. Ensure reliable deployments and smooth release of updates using CI/CD pipelines and Docker. Write unit and integration tests and optimize performance to ensure high-quality code. Collaborate closely with cross-functional teams to define and implement technical solutions. Improve system performance, reliability, and long-term maintainability through optimization and best practices. Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 Summary: Full-time Senior Back-End Engineer (Node.js) role focused on designing and maintaining scalable, high-performance server-side applications and APIs for modern, data-driven platforms. The position involves building RESTful services, integrating with third-party systems, ensuring code quality through testing, and optimizing system reliability and performance. Hybrid work model in Warsaw with B2B or CoE contract options. 🗂️ Requirements: Strong experience with Node.js, Strong experience with Express.js, Experience building and integrating APIs (GraphQL or REST), Knowledge of OAuth, JWT, and session-based authentication, Experience with MySQL, Experience with PostgreSQL, Experience writing unit tests with Chai and Mocha, Experience using Git and version control systems 📃 Skills: Node.js, Express.js, GraphQL, REST, OAuth, JWT, MySQL, PostgreSQL, Chai, Mocha, Git 🏢 Description: Senior Back-End Engineer (Node.js) 💰 Salary: 18,700-20,900 PLN/Month 💻 Warsaw, Poland (Hybrid - 3 days in office, 2 days remote) 🕦 Full-time ☑️ B2B or CoE We’re looking for a Senior Back-End Engineer to join a fast-growing international tech company focused on building modern, data-driven platforms that power digital transformation in the financial and enterprise sectors. Requirements: Strong experience in building server-side applications using Node.js and Express.js. Hands-on experience with API development and integration, particularly with GraphQL or RESTful services. Strong knowledge of authentication and authorization mechanisms (OAuth, JWT, session-based). Strong experience with databases such as MySQL and  PostgreSQL. Experience writing unit tests with tools such as Chai and Mocha. Strong experience using Git and version control systems. Proficiency in English (both written and spoken). Nice To have: Bachelor’s degree in Computer Science or a related field. Experience with cloud platforms (AWS, Azure, or GCP), as well as containerization and orchestration tools such as Docker and Kubernetes. Experience with microservices architecture. Experience setting up CI for static analysis and test execution. Experience developing RAG applications and storing data in vector embeddings. Key Responsibilities: Design, build, and maintain scalable, high-performance server-side applications and RESTful APIs using Node.js and Express.js. Guide and supervise the development of key code components to ensure long-term reliability and scalability. Integrate with front-end components and third-party services. Actively review the codebase, recommending and implementing refinements where needed. Write unit and integration tests and optimize performance to ensure high-quality code. Collaborate closely with cross-functional teams to define and implement technical solutions. Improve system performance, reliability, and long-term maintainability through optimization and best practices. Get to know DevsData: We are a technology consulting company and a recruitment agency, delivering software solutions to clients from Europe and the US. We work 100% remotely, in an international team, including people from Asia, London, or San Francisco. We employ people with experience in international corporations as well as students of the best technical and business universities. Find out more: https://devsdata.com/

🏢 Summary: Senior Software Engineer role focused on building a real-time AI platform, owning features end-to-end across frontend, backend, and cloud infrastructure. The position involves developing full-stack solutions and contributing to technical architecture in a remote-first startup environment. 🗂️ Requirements: Strong experience with TypeScript, Strong experience with React, Hands-on experience with AWS, Experience with Docker, Experience with Linux, Experience with Git, Fluent English 📃 Skills: TypeScript, React, AWS, Docker, Linux, Git, Express, Tailwind, WebSockets, LangChain 🏢 Description: 💰 Salary: 25 000 – 28 000 PLN net/month (B2B) + 26 days paid annual leave + equity (ESOP) 📍 Location: Remote (Poland) + meetup in Poznań once per month Our client is an early-stage startup building a real-time AI platform that supports professionals during live conversations. The system processes interactions in real time and delivers contextual insights, knowledge, and guidance while conversations are happening. The founding team has strong experience in distributed systems, AI platforms, and enterprise SaaS and is currently expanding the engineering team to accelerate product development. Role The client is looking for a Senior Software Engineer who enjoys owning features end-to-end, from frontend interfaces to backend services and cloud infrastructure. You will work closely with the founding team on building a real-time AI-powered product , contributing to both product development and technical architecture. Responsibilities Build full-stack features using TypeScript Develop React-based user interfaces Design and maintain backend services and APIs Work with AWS cloud infrastructure Build and run Docker-based services Improve performance and reliability of real-time systems Requirements Strong experience with TypeScript and React Hands-on experience with AWS Experience with Docker and Linux Comfortable working with Git workflows Fluent English Experience working in remote teams Nice to Have Express Tailwind CSS Experience with real-time systems Knowledge of WebSockets / streaming Experience with LLM frameworks (e.g. LangChain) What the Client Offers Opportunity to build a product from an early stage Direct influence on architecture and product direction Work with experienced founders Remote-first environment Competitive salary + equity High level of ownership and autonomy

🏢 Summary: Senior Software Developer role focused on designing and building advanced configuration solutions for the manufacturing industry, including AI-powered product discovery and conversational features. The position involves full lifecycle development of scalable enterprise software products with strong emphasis on quality, testing, and performance. This is a long-term B2B contract with remote work and occasional on-site visits. 🗂️ Requirements: Master’s degree in Computer Science, Software Engineering or similar, 8+ years of software engineering experience, Strong expertise in C#, Strong expertise in .NET, Experience with React, Experience with JavaScript, Experience building scalable backend systems, Experience with performance optimization or large data sets, Strong focus on code quality, testing, and reliability, Ability to work independently and take full ownership 📃 Skills: C#, .NET, React, JavaScript, Azure, SAP, AI, ERP, CPQ 🏢 Description: Client : Danish configuration solutions for the manufacturing industry Contract : B2B Work model: Remote with occasional trips to the client's premises Contract Length : 3-year contract with possibility of extensions Start: mid August/September Workload : full-time Remuneration: 150-170 PLN/h net + VAT Summary: The Senior Software Developer role in the team is crucial for designing and developing sophisticated configuration solutions aimed at enhancing customer value through innovative software features. Main Responsibilities: Be part of designing, implementing and maintaining our standard products Understand how products are used and applied to create value for customers Development of new customer features Design and implement unit test and integration test of own code modules Design and implement AI-powered product discovery and conversational solutions leveraging agentic AI technology Participate in the development and maintenance of the teams’ continuous integration Code reviews and retrospective learning processes Maintenance, troubleshooting, and continuous improvement of existing software Participate in the creation and evolution of development processes and coding standards Key Requirements: A Master’s degree in Computer Science, Software Engineering or similar. 8+ years of software engineering experience Strong expertise in C# and .NET Experience with front-end development for enterprise software (React and JavaScript). Experience with performance optimization or large data sets Solid experience building scalable backend systems Strong focus on code quality, testing, and reliability Ability to drive work independently and take full ownership Nice to Have: Experience with Azure or other cloud platforms. Experience on SAP integration projects. Background in enterprise software (ERP, CPQ, or similar domains). Experience integrating agentic AI into enterprise software solutions.