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August 8, 2026
Senior Backend Engineer
Senior • Remote
5,269 - 7,245 USD
Krakow, MA, Poland
About the role
We are looking for a Senior Backend Engineer to develop and maintain multi-cloud platform services using Java 8 and Spring Boot, contributing to microservices architecture and event-driven systems within a small, high-ownership team. You will optimize production code, write unit and system tests using JUnit and Mockito, support complex business requirements gathering, and monitor service providers in the field. Experience in financial, accounting, or logistics software is a strong plus.
What you will do
- Develop multi-cloud platform services as part of a small engineering team.
- Build and maintain automation frameworks to execute developer-written tests in private and public cloud environments.
- Optimize code, ensure engineering best practices are followed, and support the team in resolving technical challenges.
- Monitor and support service providers using the application in the field.
Must haves
- 4+ years of experience in web development in similar environments.
- Bachelor’s degree in Computer Science, Information Security, or a related technology field.
- Strong knowledge of Java 8, Spring, and Spring Boot.
- Experience with microservices and event-driven systems.
- Experience creating documentation for code and business processes.
- Experience gathering and navigating complex requirements and business processes.
- Experience developing internal tools and reusable architecture.
- Experience optimizing code and improving performance for production systems and applications.
- Experience debugging, refactoring applications, and reproducing production issues.
- Experience with testing frameworks including JUnit and Mockito.
- Experience with Git.
- Commitment to code quality and ownership of developed applications.
- Strong problem-solving skills with a proactive approach to continuous improvement.
- Upper-intermediate English level.
Nice to haves
- Experience working with financial or accounting backends.
- Experience with Test-Driven Development (TDD).
- Experience with logistics software, delivery, transportation, route planning, or roadside assistance domains.
- Experience with AWS services such as ECS, SNS, SQS, and RedShift.
- Experience in architectural design, code reviews, and SOLID principles.
Benefits
- Professional growth through mentorship, TechTalks, and personalized growth roadmaps.
- Competitive USD-based compensation and budgets for education, fitness, and team activities.
- Opportunities to work on projects with modern solutions and top-tier clients, including Fortune 500 enterprises and leading product brands.
- Flexible scheduling, with options to work from home or the office.
Recruitment process
- Asynchronous stage: short online form to confirm basic requirements; 30–60 minute skills assessment via Codility; 5-minute introduction video.
- Synchronous stage: technical interview with the engineering team and final interview with future teammates.
- If it’s a match, you’ll receive an offer.
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Remote
Krakow, Poland
🏢 Summary: The offer is for a Software Engineer to design and maintain secure, scalable integrations between a public safety platform and third-party systems. The role focuses on building cloud-based integration solutions using TypeScript and Node.js across RMS, CAD, and Booking products. It involves developing APIs, improving system reliability, and collaborating in an Agile environment. 🗂️ Requirements: Bachelor’s degree in Computer Science or related field or equivalent experience, 3+ years of software engineering experience, Strong experience with JavaScript, Strong experience with TypeScript, Strong knowledge of Node.js, Experience building integrations with RESTful APIs, Experience building integrations with SOAP APIs, Experience building integrations with GraphQL APIs, Experience with SQL databases, Experience with automated testing, Experience working in Agile methodologies, Upper-intermediate English level 📃 Skills: JavaScript, TypeScript, Node.js, REST, SOAP, GraphQL, SQL, API, Agile, React, Java, AWS, Kubernetes, Docker, Terraform, Prismatic, Boomi, Workato 🏢 Description: 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 Software Engineer to build and maintain integrations between a public safety platform and third-party client systems. You’ll work across RMS, CAD, and Booking products using TypeScript and Node.js, designing secure and scalable cloud-based solutions that connect real-world operations. A solid fit for engineers who care about code quality, enjoy cross-functional collaboration, and want their work to have clear impact in public safety technology. What you will do Build and maintain integrations between platforms and third-party client systems; Develop integration workflows using modern integration platforms and custom services with TypeScript and the Node.js ecosystem; Enhance product capabilities with reliable and scalable integrations; Design secure, reusable, and well-architected cloud-based integration solutions; Write tests, debug production issues, and improve system quality and reliability; Contribute to technical documentation and automated build and deployment processes; Participate in code reviews and pull request-based development processes; Collaborate with engineers, product managers, and cross-functional teams to deliver robust solutions. Must haves Bachelor’s degree in Computer Science , related field, or equivalent practical experience; 3+ years of experience in software engineering; Strong experience with JavaScript and TypeScript ; Strong knowledge of Node.js and its ecosystem; Experience designing and building integrations with RESTful, SOAP, and GraphQL APIs ; Familiarity with SQL databases ; Experience with automated testing and Agile methodologies ; Ability to write clean and maintainable code; Strong collaboration skills and ability to build cooperative relationships; Upper-intermediate English level. Nice to haves Experience with React ; Experience with Java ; Familiarity with AWS, Kubernetes, Docker, and Terraform ; Experience with integration platforms such as Prismatic, Boomi, or Workato ; Exposure to event-driven architectures and distributed systems . 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!
Technology
AgileEngine
Software Engineer (Integrations)
Mid
Remote
Kraków, Poland
3,293 - 5,269 USD
🏢 Summary: Backend Software Engineer role focused on building and scaling integrations for public safety platforms using Java and Spring Boot. The position involves developing REST, SOAP, and GraphQL integrations, designing cloud-based workflows, and improving reliability across RMS, CAD, and Booking systems. The role emphasizes clean architecture, automated testing, and collaboration within Agile teams. 🗂️ Requirements: Bachelor's degree in Computer Science or related field, 3+ years of software engineering experience, Strong Java experience, Spring, Experience with REST APIs, Experience with SOAP, Experience with GraphQL, SQL proficiency, Experience with automated testing, Experience with Agile methodologies, Clean and maintainable coding practices, Upper-intermediate English 📃 Skills: Java, Spring, SpringBoot, REST, SOAP, GraphQL, SQL, Agile, Testing, React, AWS, Kubernetes, Docker, Terraform, Prismatic, Boomi, Workato 🏢 Description: ID77772 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 Software Engineer to join an Integrations team building and scaling mission-critical systems that connect a public safety platform with third-party tools including 911 call centers, state databases, and external agency systems. You will design and build integration workflows using Java and Spring Boot, develop REST, SOAP, and GraphQL API integrations, and contribute to reliable data pipeline architecture supporting Records Management, Computer-Aided Dispatch, and Booking products. The role is backend-focused and emphasizes clean, testable, and well-documented integration solutions. What you will do Build and maintain integrations between the platform and third-party client systems; Develop integration workflows using modern integration platforms and custom services with Java; Enhance Records Management System (RMS), Computer-Aided Dispatch (CAD), and Booking products with scalable integration capabilities; Design secure, reusable, and well-architected cloud-based integration solutions; Write tests, debug production issues, and improve system quality and reliability; Contribute to technical documentation and automated build and deployment processes that improve engineering efficiency; Participate in code reviews and contribute through a pull request-based development process; Collaborate with engineers, product managers, and cross-functional partners to deliver robust integration solutions. Must haves Bachelor’s degree in Computer Science, a related technical field, or equivalent practical experience; 3+ years of professional software engineering experience ; Strong experience with Java and the Java ecosystem, including Spring Boot ; Experience designing and building integrations with RESTful APIs , SOAP , and GraphQL ; Familiarity with database technologies and proficiency with SQL ; Experience with automated testing and Agile development methodologies; Ability to write clean, maintainable, and easy-to-understand code; Strong collaboration skills and the ability to build cooperative working relationships with teammates; Upper-intermediate English level. Nice to haves Experience with React ; Familiarity with AWS , Kubernetes , Docker , and Terraform ; Experience with integration platforms such as Prismatic, Boomi, Workato, or similar tools; Exposure to event-driven architectures and distributed systems. 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!
Technology
AgileEngine
Full Stack Engineer
Mid
Remote
Krakow, Poland
3,600 - 7,410 USD
🏢 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!
Technology
AgileEngine
Backend Engineer
Senior
Remote
Krakow, Poland
4,200 - 7,700 USD
🏢 Summary: Senior Backend Engineer role focused on leading a large-scale migration from a monolithic database to multiple domain-specific data stores within Google Cloud Platform. The position involves designing and implementing complex data operations, including backfills, data mapping, and Change Data Capture using GCP Datastream and Dataflow. Strong expertise in data migration within cloud environments is essential. 🗂️ Requirements: 6+ years of professional backend engineering experience, Proven expertise in large-scale data migration, Strong experience with GCP data services, Hands-on experience with Datastream and Dataflow, Proficiency in Kotlin or Java, Experience designing and implementing data backfills and Change Data Capture processes 📃 Skills: Kotlin, Java, GCP, Datastream, Dataflow, SQL, ChangeDataCapture, DataMigration, Databases, Backfills 🏢 Description: ID63544 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 Backend Engineer to lead a critical migration from a monolithic database to multiple domain-specific data stores within Google Cloud Platform. You will design and implement data operations including backfills, data mapping, and Change Data Capture using GCP Datastream and Dataflow, working in Kotlin or Java. The role prioritizes demonstrated expertise in large-scale data migration over specific language fluency. What you will do Drive the migration from a single monolithic database to multiple domain-specific data stores within the Google Cloud Platform; Implement solutions for complex data operations, including one-time backfills, data mapping, filtering, and ongoing Change Data Capture to propagate data changes; Leverage expertise in GCP technologies, specifically Datastream and Dataflow. Must haves 6+ years of professional experience , ideally at a Senior or Lead level; Demonstrated deep expertise in data migration ; Extensive experience with Google Cloud Platform (GCP) data services, especially Datastream and Dataflow ; Proficiency in a modern programming language, such as Kotlin or Java ; Upper-intermediate English level. Nice to haves Experience with artificial intelligence (AI) to help optimize data workflows. 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!