Senior Software Engineer

🏢 Summary: The offer is for a Software Engineer role focused on building and scaling a serverless, full-stack insurance platform using TypeScript and React. The position involves architecting APIs, designing distributed systems in AWS, and driving high engineering standards within a product-driven team. The role requires partial overlap with US time zones and hybrid work from Krakow. 🗂️ Requirements: Minimum 2 years of full-stack web development experience, Strong experience with TypeScript and React, Experience with Node.js backend development, Experience building distributed, high-scale systems, Hands-on experience with AWS cloud services, Experience with serverless architecture and Infrastructure as Code, Experience designing APIs, Experience with automated testing, Ability to work partially in US timezone, Fluent communication in English and Polish 📃 Skills: TypeScript, React, Node, GraphQL, AWS, Serverless, IaC, Microservices, EventDriven, Stripe, Plaid, Playwright, Jest, Vitest, Figma, Git, Jira, Confluence 🏢 Description: About CoverTree CoverTree is an insurtech MGA focused on revolutionising specialty personal lines. We bring digital distribution, automated underwriting, and data-driven pricing to manufactured homes (modular, tiny, ADU). We are the first digital insurance solution for 24 million Americans who live in manufactured homes. CoverTree is expanding into adjacent specialty markets to become THE specialty insurtech company focused on protecting middle America. We also are jumping on the AI-train ensuring quick GenAI/LLM adoption within always competetive Insurance market! Job Summary We are looking for a Software Engineer with strong experience in TypeScript and React. Our projects are built in Serverless way with 100% Infrastructure as Code. You have to be self-motivated, well organised and have strong passion for the quality of your solution! We use hybid work-model with 2 days weekly from our office in northern part of Krakow, Poland. Candidate must be able to work partially in US timezone (for example starting work between 9-11 am Polish time). What do we offer Our compensation is paid bi-weekly, Besides salary, our compensation package contains Stock Options and yearly bonus , Ability to work within market distrupting startup, Help with obtaining AWS Certifications, Awesome company trips to our United States office once a year! Unlimited Paid Time Off! Responsibilities Collaborate with the engineering manager, engineering team, and product team to understand and implement requirements and tech specs Identify opportunities for architecture improvements and system optimisation and help to deliver them Architect new systems and design APIs with a focus on testability, and maintainability Drive high engineering standards on the team through code review, automated testing, and mentoring. We care what our code looks like, and you should too Reinvent a broken experience and disrupt a legacy industry through novel and scalable product design. Candidate Background 2+ years of experience in full-stack web development (in our tech stack) A background in programming on the web and/or mobile development, and a natural curiosity about learning new technologies Experience in building distributed, high scale systems that handle millions of visitors Hands on experience in the cloud, preferably in AWS Curiosity and business acumen, and an ability to learn and take on new opportunities Good communication in English & Polish languages, Excellent communication skills, both written and verbal Tech Stack React, Typescript, Node, GraphQL, AWS, Microservices & Event Driven Architecture, Stripe, Plaid, Numerous 3rd party data integrations Testing: Playright, Jest, Vitest Other Tools: Figma, Git, Jira, Confluence

🏢 Summary: Senior Software Engineer role focused on building and operating production features across a modern AWS stack using TypeScript, .NET, and Python. The position offers end-to-end ownership in a fast-moving US-based engineering team with strong emphasis on AI-assisted development workflows and cloud infrastructure. Engineers are expected to collaborate remotely, manage services in AWS, and contribute to engineering standards in a high-trust environment. 🗂️ Requirements: 4–7 years of professional software engineering experience, Hands-on experience with AI coding tools, Strong AWS experience, Experience with ECS and Batch, Infrastructure-as-code experience with Terraform, Proficiency in TypeScript, .NET, or Python, Ability to work across multiple programming languages, Experience with system/API design, Experience with testing and CI/CD, Strong written English, Ability to work effectively with a remote US-based team 📃 Skills: AWS, TypeScript, Python, .NET, Terraform, ECS, Batch, Bedrock, CI/CD, APIs, Copilot, Cursor, Claude 🏢 Description: Software Engineer (.NET/Typescript/Python) 💰 Salary: 5000-9000$ per month 🕦 Full-time ☑️ B2B 🌴Hybrid We are looking for a Senior Software Engineer to join a US-based engineering and product leadership team, with end-to-end ownership of real features on a modern AWS stack. The team moves fast, ships continuously, and expects engineers to use AI coding tools as a core part of how they work. For those seeking genuine ownership in a small, high-trust environment without the bureaucracy of a large captive center, this is that opportunity. Requirements 4–7 years of professional software engineering experience building and shipping production systems. Demonstrated hands-on experience with AI coding tools and a track record of using them to materially increase output, we'll want to hear specifics about how you work. Strong AWS experience, comfortable designing, deploying, and operating services on the AWS stack, with hands-on exposure to container and batch workloads (ECS, Batch) and infrastructure-as-code (Terraform). Proficiency in one or more of TypeScript, .NET, or Python, with the adaptability to work across all three. Proven ability to thrive in a fast-paced environment where priorities move and you own outcomes, not just tickets. Solid fundamentals in system/API design, testing, and CI/CD. Strong written English and the self-direction to work effectively with a remote, US-based team. Nice to have Experience as an early engineer on a new team, product, or site. Hands-on work with AWS Bedrock or other LLM/GenAI services in production. Experience in marketing measurement and optimization, marketing mix modeling, attribution, media/marketing analytics, or adjacent analytic fields such as data science platforms, experimentation, or large-scale data processing. Familiarity with building data- or analytics-intensive applications. Key Responsibilities Design, build, and ship production features across the stack, owning your work from design through deployment and operation. Use AI development tools (Copilot, Cursor, Claude, and similar) fluently to accelerate delivery, scaffolding, refactoring, testing, and debugging at high velocity. Build and run services on AWS, primarily ECS, Batch, and Bedrock, taking real responsibility for reliability, performance, and cost of what you ship. Work across the stack in TypeScript, .NET, and Python, with infrastructure managed as code in Terraform. Collaborate closely with US engineering and product partners across time zones, communicating clearly in writing and keeping work visible. Contribute to the engineering standards, practices, and culture of a brand-new team, your habits set the bar for who comes next.

🏢 Summary: Full-time hybrid Software Engineer role focused on building responsive, AI-driven web applications for enterprise platforms using modern JavaScript technologies. The position involves developing high-quality React-based interfaces, applying TDD and CI practices, and collaborating within cross-functional Agile teams. Long-term B2B contract based in Warsaw with competitive salary. 🗂️ Requirements: 6+ years experience with JavaScript, 6+ years experience with TypeScript, Strong knowledge of design patterns in JavaScript, Proficiency in React with Redux, Experience with Next.js, Understanding of functional programming concepts, Strong knowledge of asynchronous programming, Experience with Git and branch management, Experience debugging front-end applications, Experience creating and integrating custom packages, Understanding of object-oriented programming principles, Practical experience with HTML5, Practical experience with CSS3, Experience in Agile environments, Ability to develop cross-browser compatible code 📃 Skills: JavaScript, TypeScript, React, Redux, Next.js, HTML5, CSS3, Git, TDD, CI, Agile 🏢 Description: 💰 Salary: 14,500-17,000 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ B2B We are looking for a 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. Requirements: 6+ years of experience working with JavaScript and TypeScript Solid understanding of design patterns and how to apply them in JavaScript development. Proficiency in a modern front-end JavaScript framework such as React.js with Redux; experience with Next.js is an advantage. Familiarity with functional programming concepts. Strong grasp of asynchronous programming and its best practices. Knowledge of Git and experience with branch management. Experience troubleshooting front-end issues and using relevant debugging tools. Familiarity with creating and integrating custom packages. Good understanding of object-oriented programming principles and their use in JavaScript. Ability to perform effectively under pressure and meet strict deadlines. Practical experience with HTML5 and CSS3. Experience working within Agile development environments and practices. Strong communication and organizational abilities. Skilled in developing cross-browser compatible code. A Bachelor’s degree in Computer Science or a related field is preferred. Key Responsibilities: Creating and building responsive user interfaces using React. Applying and maintaining test-driven development (TDD) practices along with continuous integration processes. Working closely with a cross-functional team that includes project managers, analysts, and sales representatives to deliver high-quality, interactive products within deadlines. Promoting and implementing best practices in testing, accessibility, and performance optimization. Partnering with design, backend, QA, and product teams to develop reliable, user-focused solutions.

🏢 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: Full-time Full Stack Software Engineer role focused on building AI-powered enterprise platforms using Java and React in a hybrid Warsaw setup. The position involves developing responsive front-end applications and scalable microservices-based back-end systems, integrating cloud services, and maintaining CI/CD pipelines. Long-term employment contract with emphasis on high-performance, secure, and maintainable solutions. 🗂️ Requirements: 5+ years experience as Full Stack Developer with Java and React.js, Strong proficiency in React.js and Redux, Strong knowledge of TypeScript, HTML5, CSS3, ES6+, Experience with state management and component-based architecture, Experience with UI libraries (Material-UI, Bootstrap, or Tailwind), Strong expertise in Java, Spring Boot, Hibernate, JPA, Experience building RESTful APIs and microservices, Knowledge of OAuth2, JWT, and session-based authentication, Experience with PostgreSQL or MySQL, Experience with MongoDB or Redis, Hands-on experience with CI/CD tools, Experience with AWS, Azure, or GCP, Experience with Docker and Kubernetes, Bachelor’s or Master’s degree in Computer Science or related field, Experience working in Agile environments 📃 Skills: Java, React, Redux, TypeScript, HTML5, CSS3, JavaScript, Spring, SpringBoot, Hibernate, JPA, REST, Microservices, OAuth2, JWT, PostgreSQL, MySQL, MongoDB, Redis, Jenkins, GitHub, GitLab, AWS, Azure, GCP, Docker, Kubernetes 🏢 Description: 💰 Salary: 21,000-22,000 PLN/month 🌎 Hybrid from Warsaw, Poland 🕦 Full-time position, long-term ☑️ Contract of Employment We are looking for a 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. Requirements: 5+ years of professional experience as a Full Stack Developer working with Java and React.js. Strong proficiency in React.js, Redux, TypeScript, HTML5, CSS3, and modern JavaScript (ES6+). In-depth understanding of state management solutions and component-based design principles. Experience working with UI libraries/frameworks such as Material-UI, Bootstrap, or Tailwind CSS. Solid expertise in Java, Spring Boot, Hibernate, JPA, and building RESTful APIs. Experience designing and working with microservices architecture and API Gateway patterns. Knowledge of authentication and authorization approaches, including OAuth2, JWT, and session-based methods. Experience with relational databases (PostgreSQL, MySQL) as well as NoSQL solutions (MongoDB, Redis). Hands-on experience using CI/CD tools like Jenkins, GitHub Actions, or GitLab CI/CD. Familiarity with cloud platforms such as AWS, Azure, or GCP, along with containerization tools like Docker and Kubernetes. Bachelor’s or Master’s degree in Computer Science, Engineering, or a related discipline. Experience operating within Agile development environments. Strong analytical thinking and problem-solving abilities. Key Responsibilities: Build and develop dynamic, responsive, and high-performing user interface components using React.js, Redux, and modern JavaScript (ES6+). Ensure applications function consistently across different browsers while delivering a smooth user experience. Enhance front-end performance and apply best practices in UI/UX design. Design, develop, and maintain RESTful APIs and microservices using Java technologies such as Spring Boot, Hibernate, and JPA. Implement secure authentication, authorization, and effective data management solutions. Work with both relational and NoSQL databases, including PostgreSQL, MySQL, and MongoDB. Integrate external services, APIs, and cloud-based platforms into applications. Oversee deployment processes using CI/CD pipelines and containerization technologies like Docker and Kubernetes. Produce clean, efficient, and maintainable code in line with established best practices. Develop and maintain unit and integration tests for both front-end and back-end systems. Collaborate closely with UI/UX designers, product managers, and DevOps specialists. Take part in Agile/Scrum processes and support ongoing improvements to development workflows.

🏢 Summary: Senior Full-Stack Engineer role with a 50/50 backend and frontend focus, building scalable microservices-based applications using ASP.NET (C#) and React with TypeScript in a cloud-native environment. The position involves designing and maintaining REST APIs, developing responsive user interfaces, ensuring high test coverage, and contributing to architectural decisions with strong technical ownership. Poland-based employment (Umowa o Pracę) with remote flexibility and quarterly in-person collaboration. 🗂️ Requirements: MSc+ in Computer Science or equivalent, Minimum 5 years experience with ASP.NET and C#, Minimum 5 years experience building REST APIs, Minimum 5 years experience with React, Experience with TypeScript, Strong knowledge of microservices architecture, Knowledge of cloud design patterns, Experience with unit, integration, and end-to-end testing, High level of technical ownership, Fluent English (minimum B2), Poland residency 📃 Skills: ASP.NET, C#, REST, React, TypeScript, Microservices, AWS, Agile, DDD, UnitTesting, IntegrationTesting, E2ETesting, Cloud 🏢 Description: We’re looking for a Senior Full-Stack Engineer who brings deep technical expertise and a collaborative mindset to our product development team. You will work with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend interfaces using mainly React and TypeScript. This is a hands-on engineering role with a 50/50 front-/backend focus, ideal for someone who likes to take ownership, thrives in a dynamic product team, and enjoys mentoring others. This role could easily become a Tech Lead role in a foreseeable future. If you're passionate about designing high-impact software in a cloud-native environment, we’d love to hear from you. This Poland-based role offers remote flexibility, but we value in-person collaboration. Our team meets in Poland for at least one week each quarter, so we request all applicants to be located in Poland. This is not a globally remote role. Poland residency is required. The contract form is Umowa o Pracę (only, no B2B). What you will be responsible for Collaborate proactively in refinement sessions with product and tech teams to ensure clarity and feasibility of features. Design, implement, and maintain scalable web APIs using ASP.NET and microservices architecture principles. Develop responsive user interfaces with React and TypeScript that enhance usability and performance. Work closely with Product Owners to clarify feature requirements and ensure business context is well-understood. Define, design and align feature architecture with the Head of Engineering to ensure consistency and scalability. Ensure features meet Definition of Done, with state-of-the-art unit, integration, and end-to-end test coverage. Support incident response and production issue resolution as per team standards. Actively contribute to team knowledge sharing and coach colleagues in technical best practices. What makes you a match Essential Qualifications: MSc+ in Computer Science or equivalent 5 years of proven experience in building secure REST APIs using ASP.NET , as well as developing solid front-end applications with React are non-negotiable must haves. Comprehensive knowledge of contemporary web application architectures, with a focus on microservices and cloud design patterns. Demonstrated ability of high technical Ownership and Tech Leadership are a requirement for this role. Bonus Skills: Hands-on experience with AWS infrastructure. Experience working in cross-functional product teams using Agile practices and following Domain-Driven Design (DDD). Collaboration and Interpersonal Skills: Clear and adaptive communication with both technical and non-technical stakeholders. Strong sense of ownership, accountability, and proactive problem-solving. Languages: English: B2 - (No certificate required, but Fluency) German, Polish, Ukrainian: desired, not required What you can expect A dynamic, ambitious team where your voice is heard, and your contributions truly matter. You’ll have real ownership over your decisions in a trusted, cross-functional environment within a Swiss product company that puts people first. We offer fair compensation, flexible working hours, a hybrid work setup, and a culture that supports both personal and professional growth, fostering a healthy work-life balance. Employer of Record: For this role, we offer employment through our trusted Employer of Record provider Remote.com , ensuring full legal compliance and a seamless experience for our team members in Poland. ID Verification: To maintain a fair and secure hiring process, candidates may be asked to verify their identity their identity before speaking with our Recruiter. This step helps us prevent fraud and focus our resources on genuine applicants. About us Who we are esurance is a Swiss InsurTech offering a SaaS platform that connects SMEs, insurance providers, brokers, and business application providers. Founded in 2013, we're on a mission to make health insurance for small businesses truly hassle-free. What makes us unique You'll be part of a connected, forward-thinking team built on trust, openness, and mutual respect — working hybrid from Zürich or remotely across Europe. We invest in your growth through agile practices, real ownership, and a transparent Grading System that ensures fair pay and clear career paths. Our core values We are connected. We are ahead. We are clear. We are approachable. Do these resonate with you? → Come join us. Our Recruitment Process & Principles We keep our process transparent and respect your time: Application Review — You hear from us within 5 business days. Always. Recruiter Screen — A relaxed Get2Know call to explore mutual fit. Four Interviews — Two Role Knowledge interviews (peer + supervisor), one Culture Match, one Leadership conversation. Batched into two days wherever possible. Hiring Decision — Thoughtful, timely. You'll know within 1–2 weeks. Use of Artificial Intelligence (AI) We use AI to increase productivity and you're welcome to use it to polish your CV or Coverletter. Interviews and assessments should reflect your genuine self, though. Recruiting Agencies: We don't work with unsolicited agency submissions. Thanks for respecting this.

🏢 Summary: Senior React Native Engineer role focused on building and shipping cross-platform mobile applications using React Native and Expo, alongside developing web apps in ReactJS and APIs in Node.js. The position involves full ownership of the feature lifecycle, from architecture and implementation to CI/CD and production monitoring, using TypeScript and AI-assisted development tools. Work is delivered in an Agile, product-centric environment with emphasis on quality, performance, and collaboration. 🗂️ Requirements: 4+ years of professional software engineering experience, Experience developing production software, Experience in Agile or team-based development environments, Proficiency in JavaScript, Proficiency in Node.js, Proficiency in ReactJS, Proficiency in React Native, Experience with REST APIs and service-based architectures, Experience with databases and data persistence concepts, Ability to follow established architecture and development standards, Strong problem-solving and troubleshooting skills, Ability to collaborate effectively within an engineering team, Good communication skills, Bachelor’s degree in Computer Science, Engineering, or related field or equivalent practical experience, Upper-intermediate English level 📃 Skills: JavaScript, TypeScript, Node.js, ReactJS, React, ReactNative, Expo, REST, APIs, Databases, CI/CD, Claude, GitHubCopilot, Agile, Codility 🏢 Description: ID73490 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior React Native Engineer to build and ship cross-platform mobile apps using React Native and Expo while developing web applications in ReactJS and APIs in Node.js for a franchisee engineering team. You will own the engineering lifecycle for your features — architecture, implementation, testing, CI/CD, and production monitoring — writing clean TypeScript and actively using AI tools including Claude and GitHub Copilot as a development accelerator. The role follows Agile practices in a collaborative, product-centric engineering environment. What you will do Build and ship cross-platform mobile apps using React Native and Expo (iOS and Android); Develop web applications in ReactJS, sharing business rule libraries with mobile apps; Design, develop, and maintain APIs in NodeJS to support these applications; Use Claude or Github Copilot as a development accelerator, generating code scaffolding, writing and reviewing tests, creating documentation and prototyping solutions; Own the engineering lifecycle for your features: architecture, implementation, testing, CI/CD, and production monitoring; Write clean, well-tested TypeScript code; maintain high standards through code review and documentation; Optimize application performance for speed, responsiveness, memory, and offline capability; Debug, troubleshoot, and resolve software defects and production issues; Participate in Agile or product-centric delivery practices including sprint planning and retrospectives; Learn and apply new technologies, tools, and patterns to improve system quality and team effectiveness. Must haves Bachelor’s degree in Computer Science, Engineering, or a related field, or equivalent practical experience; 4+ years of professional software engineering experience focused on backend and cloud infrastructure; Strong experience with JavaScript , Node.js , and TypeScript ; Strong understanding of RESTful APIs , Microservices architecture, and event-driven systems; Experience working with databases, including PostgreSQL , and data persistence concepts; Hands-on experience with Microsoft Azure and Amazon Web Services (AWS) ; Deep experience with Infrastructure as Code using Terraform and CI/CD using Azure DevOps ; Experience with legacy platform migrations, ETL processes, and data hygiene; Experience developing secure, high-quality, and maintainable code following industry security best practices; Familiarity with Dynatrace and CloudWatch ; Upper-intermediate English level. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Senior React Developer with AWS role focused on designing and architecting scalable, cloud-native web applications for digital banking platforms using React, TypeScript, and AWS in an on-site model in Warsaw. The position involves leading technical decisions, building serverless solutions, and supporting cloud migration initiatives. The role combines hands-on development with architectural guidance in a modern, microservices-driven environment. 🗂️ Requirements: 8+ years of software engineering experience, Strong expertise in React, Strong expertise in TypeScript, Hands-on experience with AWS (Lambda, Batch, CloudWatch), Proficiency in Terraform or other Infrastructure-as-Code tools, Experience with relational and non-relational databases (MongoDB, ElasticSearch, S3), Knowledge of RESTful API design and development, Bachelor’s degree in Computer Science, Engineering, Mathematics or related field, Fluent Polish and English, Legal right to work in Europe 📃 Skills: React, TypeScript, AWS, Lambda, Batch, CloudWatch, Terraform, MongoDB, ElasticSearch, S3, REST, CI/CD, Serverless, Microservices 🏢 Description: Empower the Future of Financial Technology — Design Scalable, Cloud-Native Applications with React and AWS Warszawa-based opportunity with on-site work model As a Senior React Developer with AWS , you will be working for our client, a global leader in financial technology dedicated to transforming the industry with innovative, cloud-native web solutions. Join this high-impact project to shape the future of digital banking platforms, leveraging AI, microservices, and modern development practices. Be a vital part of a forward-thinking environment driving cutting-edge cloud migration strategies, delivering scalable and high-performance systems across international markets. Your main responsibilities: Architect and engineer modern web applications using React, TypeScript, and AWS services Lead technical decision-making and provide architectural guidance to the development team Develop and maintain serverless solutions utilizing AWS Lambda, Batch, and CloudWatch Write Infrastructure-as-Code with Terraform to streamline deployment and infrastructure management Collaborate with designers, product managers, and stakeholders to translate requirements into robust solutions Support migration of legacy systems toward cloud-native, React-based architectures Optimize CI/CD pipelines for automated, efficient deployment Work with cloud storage solutions such as S3, MongoDB, and ElasticSearch You're ideal for this role if you have: 8+ years of practical software engineering experience Strong expertise in React and TypeScript Hands-on experience with AWS services, especially Lambda, Batch, and CloudWatch Proficiency with Terraform or similar Infrastructure-as-Code tools Solid understanding of relational and non-relational databases (MongoDB, ElasticSearch, S3) Knowledge of RESTful API design and development Excellent communication skills to engage with non-technical stakeholders Bachelor's degree in Computer Science, Engineering, Mathematics, or related field It is a strong plus if you have: Experience with CI/CD pipelines Familiarity with serverless architecture best practices Knowledge of AI development tooling in cloud environments Language Required for the role: Fluent in Polish and English Eligibility to work in: Only candidates with an existing legal right to work in Europe will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV (preferably in English) along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: The role is for a Middle/Senior Full Stack Engineer to build and scale a SaaS platform using Java and React, contributing to architecture, secure cloud-based integrations, and CI/CD processes. The position involves end-to-end development, code reviews, and collaboration with cross-functional teams in a product built from the ground up. It offers significant ownership and impact within a high-scale environment. 🗂️ Requirements: 4+ years of SaaS development experience, Proficiency in Java, Proficiency in React, Strong knowledge of SQL, Experience with microservices architecture, Experience with JavaScript and TypeScript, Understanding of CI/CD practices, Understanding of observability concepts, Ability to work with EST time zone overlap, Upper-intermediate English proficiency 📃 Skills: Java, React, SQL, JavaScript, TypeScript, ReactJS, Microservices, CI/CD, Redis, Elasticsearch, AWS 🏢 Description: ID67841 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Middle/Senior Full Stack Engineer to build robust server-side solutions for a SaaS platform operating at scale, working across Java, React, SQL, Redis, and Elasticsearch. You will contribute to architecture decisions, design reusable client integration systems following secure cloud best practices, and participate in code reviews and CI/CD processes as a trusted technical resource for the team. The role offers significant ownership from day one in a product built from the ground up. What you will do Build a cleanly designed, reusable client integration system adhering to secure cloud software best practices from start to finish; Collaborate with design and product teams to understand requirements, create estimates, plan sprints, and meet delivery timelines; Plan and accurately estimate construction and delivery timelines; Contribute to technical documentation and automated build and deployment processes designed to increase engineer efficiency; Review code submitted by other software engineers and submit your own code for review as part of the pull-request deployment process. Must haves 4+ years’ experience of SaaS experience; High level of proficiency in Java , React , and SQL ; Knowledge of or prior experience with microservices architecture ; Front end experience with JavaScript , Typescript , and ReactJS ; DevOps mindset of automation and continuous improvement; Good understanding of observability and familiarity with strong CI/CD practices; A proven ability to meet deadlines, motivate others, and consistently produce high quality, impactful results; Ability to maintain at least 6 hours of overlap with EST working hours ; Upper-intermediate and higher English proficiency. Nice to haves Experience building software in the cloud with AWS preferred. The benefits of joining us Professional growth Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!

🏢 Summary: Senior Frontend Engineer role focused on building and maintaining guest-facing web experiences for a global QSR platform, including ordering, checkout, payments, and loyalty features. The position involves developing scalable React and Next.js applications with TypeScript, integrating headless AEM content and backend APIs, and ensuring high performance, accessibility, and SEO standards. You will collaborate in an Agile team with peer code reviews and automated testing across the full development lifecycle. 🗂️ Requirements: 4+ years of professional software engineering experience, Strong commercial experience with React and TypeScript, Hands-on experience with Next.js and server-side rendering, Proficiency with CSS Modules or Tailwind, Deep understanding of React fundamentals (hooks, context, lifecycle, performance), Experience with Redux Toolkit or equivalent state management, Experience with React Query or similar server-state management, Experience integrating RESTful APIs and token-based authentication, Experience with frontend testing (unit, component, accessibility), Familiarity with CI/CD pipelines (GitHub Actions, Azure DevOps, or equivalent), Strong understanding of SEO and Core Web Vitals optimization, Upper-intermediate English level 📃 Skills: TypeScript, React, Next.js, JavaScript, CSS, Tailwind, Redux, ReactQuery, REST, CI/CD, GitHubActions, AzureDevOps, AEM, GraphQL, Sentry 🏢 Description: ID72472 AgileEngine is an Inc. 5000 company that creates award-winning software for Fortune 500 brands and trailblazing startups across 17+ industries. We rank among the leaders in areas like application development and AI/ML, and our people-first culture has earned us multiple Best Place to Work awards. Why join us If you're looking for a place to grow, make an impact, and work with people who care, we'd love to meet you! :) About the role We are looking for a Senior Frontend Engineer to build and maintain guest-facing web experiences for a global QSR platform, working across restaurant locator, menu browsing, online ordering, cart, checkout, payments, and loyalty. You will write clean TypeScript using React and Next.js App Router, implement AEM headless content, integrate backend ordering and authentication APIs, and maintain automated tests with attention to Core Web Vitals and accessibility standards. The role follows collaborative Agile practices with peer code review on every pull request. What you will do Build and maintain features across the full guest web experience, including restaurant locator, menu browsing, online ordering, cart, checkout, payments, and loyalty; Write clean, well-tested TypeScript following established coding standards with automated checks running on every commit; Implement AEM-delivered content and components using a headless architecture; Connect the site to backend services and third-party tools, including ordering APIs, authentication, payment processors, feature flags, and analytics; Work with product managers, designers, and backend engineers to turn requirements into working software; Participate in sprint planning and reviews; Implement solutions based on Figma designs; Align on API contracts; Review code from teammates; Incorporate review feedback into your own pull requests; Debug and fix issues across browsers using crash reporting tools, network traces, and performance profiling; Write and maintain unit, component, and integration tests with attention to accessibility and Core Web Vitals budgets; Help keep build and release pipelines healthy, including automated builds, preview deployments, and production releases; Participate in Agile ceremonies, including standups, sprint planning, refinement, and retrospectives; Stay current with the React and Next.js ecosystem and contribute to team-wide improvements, including performance and architecture initiatives. Must haves 4+ years of professional software engineering experience ; Strong commercial experience building production web applications with React and TypeScript ; Experience with CSS Modules or Tailwind ; Deep understanding of React fundamentals, including hooks, context, component lifecycle, and performance patterns; Hands-on experience with Next.js (App Router preferred) and server-side rendering patterns; Solid grasp of state management using Redux Toolkit or equivalent and server-state patterns using React Query or similar; Experience integrating RESTful APIs and token-based authentication flows; Practical experience with frontend testing, including unit tests, component tests, and accessibility checks; Familiarity with DevOps practices and CI/CD pipelines using GitHub Actions , Azure DevOps , or equivalent; Strong understanding of SEO, Core Web Vitals, and performance optimization techniques; Clear communicator who works well in a collaborative, cross-functional team; Upper-intermediate English level. Nice to haves Adobe Experience Manager (AEM) headless content delivery; Feature flag systems (e.g., LaunchDarkly); Web analytics or error tracking (Sentry, Adobe Experience Platform, Quantum Metric); GraphQL ; Accessibility (WCAG 2.1 AA) and internationalization (i18n) experience; Privacy and consent frameworks (e.g., OneTrust); Experience mentoring junior developers and leading code reviews. The benefits of joining us Professional growth: Accelerate your professional journey with mentorship, TechTalks, and personalized growth roadmaps Competitive compensation: We match your ever-growing skills, talent, and contributions with competitive USD-based compensation and budgets for education, fitness, and team activities A selection of exciting projects: Join projects with modern solutions development and top-tier clients that include Fortune 500 enterprises and leading product brands Flextime: Tailor your schedule for an optimal work-life balance, by having the options of working from home and going to the office – whatever makes you the happiest and most productive. Meet Our Recruitment Process Asynchronous stage – An automated, self-paced track that helps us move faster and give you quicker feedback: Short online form to confirm basic requirements 30–60 minute skills assessment via Codility – a platform founded in Poland that helps us provide quicker feedback and streamline this stage of the process. 5-minute introduction video Synchronous stage – Live interviews Technical interview with our engineering team (scheduled at your convenience) Final interview with your future teammates If it’s a match — you’ll get an offer!