Backend Engineer
Bjak
BJAK is seeking a backend engineer to build the core systems behind our AI Finance Agent. You will design and implement scalable APIs, services and financial product infrastructure that serve users across markets and partners. You’ll collaborate with product, mobile, ops and business teams to ship reliable customer journeys, integrate with banks and data providers, and ensure security, observability and regulatory readiness. Remote-based in Poland. #J-18808-Ljbffr
Vacancy posted 2 days ago
Similar jobs that could be interesting for youBased on the Backend Engineer in Poland, NY vacancy
- ...scaling, and supporting production-ready products from scratch. 5+ years of professional experience with Java. 6+ years of experience in backend development. Quick learner with an ambitious and results-driven personality. Excellent communication and organizational skills....SuggestedImmediate start
- Tealium Inc. is seeking a Sr. Software Engineer specializing in AI Platform Services to design and evolve backend services for their AI-enabled customer data products. This remote position requires extensive experience in Java and AWS, with a strong focus on collaborating...SuggestedRemote job
- An international tech software company is seeking an experienced Java Developer to enhance Applicant Tracking Systems. The role offers 100% remote work with a competitive B2B contract including benefits. Ideal candidates will have expert knowledge in Java and Spring Boot...SuggestedContract workRemote work
- ...Regnology is seeking a Senior Software Engineer in the Rfleet team to help build our secure platform for running and managing AI agents... ...stack, crafting user-facing features with React and TypeScript and backend services in Java with Quarkus. The role focuses on designing...Suggested
- ...slowing down! About the project: We are looking for a full‑stack engineer to help our client build the best cybersecurity education... ...team evolve best practices. Designing, developing, and deploying backend services with a focus on high availability, low latency, and scalability...SuggestedContract workRemote work
- ...outlook and passion to join us. The Responsibilities Develop and maintain AI-driven Web3 applications. Write scalable, secure Python (backend) and TypeScript (frontend) code. Build APIs and microservices for Web3 integration. Utilize NGINX, GitHub workflows, Docker, and...
- ...For more information visit What you’ll do As a Senior Software Engineer in the Rfleet team, you will help build Regnology’s secure... ...developing user-facing features with React and TypeScript and backend services with Java and Quarkus. You will design reliable APIs,...Flexible hours
- Location: Poland Type of work: remote Category: BackEnd Time Type: Full time For our client, a global marketing communication network catering to the needs of the digital era and serving over 200 clients in Poland, we are seeking a Fullstack / PHP Backend Developerto join...Remote jobFull timeSummer workWork at officeWorldwide
- # Full Stack DeveloperTechWave InnovationsLokalizacja:WejherowoTryb pracy:ZdalnaWynagrodzenie:12 000 - 16 000 złData publikacji:24.03.2026Ważna do:24.03.2027Kontakt:****@*****.***## Opis stanowiska# Opis stanowiska TechWave Innovations, dynamicznie rozwijająca...
- ...employees to do their best work, wherever they are. As the data engine for IT and Security many of the biggest names in the most... ...SaaS platforms Experience in developing resilient and scalable backend services on any major cloud provider, preferably AWS Experience...Remote work
- ...design and support architectural decisions across frontend and backend areas Assess business requirements and provide development... ...Experience leveraging AI tools to improve development efficiency and engineering practices Proven experience in designing modern web...
- ...support Utilize Claude Code and agentic workflows as a core part of engineering practice Review and verify AI‑generated code to ensure... ...Develop and maintain front ends in React and TypeScript, and backend services in C# / .NET Build, deploy, and operate event‑driven,...
- ...800 - 19800 PLN gross Requirements / Your Skills You have at least 5 years of commercial experience — confirmed by projects — in backend technologies (Nest.js, Node) and frontend technologies (React, Next.js) You have experience working with relational databases — PostgreSQL...Work at officeFlexible hours
- ...supporting the resolution of production incidents Implementing compliance and mandatory business changes Designing and implementing backend services according to given specifications Writing and maintaining REST APIs Working with both microservice-based and monolithic...
- Описание Empolis is a leading provider of cloud-based software for intelligent decision support solutions based on artificial intelligence. As part of the Proalpha Group, the company serves as a digital partner for medium‑sized businesses, linking knowledge and content ...Work at officeWork from homeHome officeFlexible hours
- ...financial management platform , as it evolves towards a modern, cloud-native architecture . The role combines hands-on software engineering with technical leadership, driving architecture, front-end standards, and AI-assisted development practices. Responsibilities Design...Contract workWork at officeLocal areaRelocation
- ...konfiguracji pipeline’ów CI/CD Doświadczenie w pracy z Dockerem i Docker Compose Znajomość usług chmurowych GCP lub Azure (Cloud Run, App Engine, AKS/GKE mile widziane) Umiejętność zarządzania sekretami i zmiennymi środowiskowymi Znajomość Git oraz pracy z Jira/Confluence/...
- ...supporting the resolution of production incidents* Implementing compliance and mandatory business changes* Designing and implementing backend services according to given specifications* Writing and maintaining REST APIs* Working with both microservice-based and monolithic...
- ...Job profile We’re looking for a Senior Fullstack Engineer who brings deep technical expertise and a collaborative mindset to our product... ...with a modern microservices architecture, building scalable backend services using the ASP.NET Web API with C#, and intuitive frontend...Contract workRemote workFlexible hours
- ...responsibilities Design and development of web applications in Java (backend) and React using the frontend framework. Creating and... ...logging, incident response Willingness to collaborate with AI Engineers and data teams (API contracts, data formats, validations, cost...Work at office1 day per week
- ...enjoyably with over ~90%* reduced time. Role As an iOS Software Engineer, you own the iOS client experience, how AI feels, responds, and... ...Swift and SwiftUI. Integrate AI‑powered features through backend APIs. Design UX patterns for AI interactions, including...Remote work
- ...You are a backend engineer with a deep understanding of distributed systems and microservices architecture. You value simplicity and effectiveness, and you’re excited by the opportunity to make a meaningful impact. You can reason through trade-offs, build for scale,and...Flexible hours
$40 - $60 per hour
...practices, including remote pair programming and continuous delivery. You are an ideal candidate if you have: BSc in Software Engineering or BS degree in Computer Science. 8+ years of experience in the following technologies: Java (must have), Spring. 2+ years of experience...Contract workRemote work- Ogłoszenie archiwalne, może być już nieaktualne. Pentacomp Systemy Informatyczne SA jest producentem rozwiązań informatycznych i dostawcą profesjonalnych usług IT dla dużych przedsiębiorstw i sektora publicznego. Nasz sukces opiera się na zaangażowaniu niemal 400 wyjątkowych...
€5,600 - €7,600 per month
...Website Builder platforms. In this role, you'll collaborate closely with designers, product managers, and other engineers to bridge the gap between complex backend logic and pixel-perfect user interfaces, delivering complete and impactful solutions that revolutionize our...Flexible hours- ...platform that protects compliance-centric organisations by delivering company-wide control to reduce risk and cost. Powered by our AI engine, LuminIQ, we embed risk checks, accelerate contracting, and surface savings in one platform—helping lean teams stay compliant,...Contract workLocal areaRemote workFlexible hours
- Freelance .NET Full-Stack Developer - Poland (Remote) I’m currently looking for an experienced .NET Full-Stack Developer to join a long-term project with a global consulting company. Remote — candidates must be based in Poland Start date: 1 September 2026 Duration: 12 ...Hourly payContract workFreelanceRemote workNight shift
- ...Housecall Pro is seeking a Backend Architect to drive the technical vision of their platform. This critical role involves mentoring engineers, leading architectural decisions, and improving the scalability and reliability of systems used by 75k daily users. You will collaborate...
- ...tooling: failure clustering, per-failure recordings, and dashboards that autonomy engineers can use without assistance Extend the scenario authoring tooling used by the V&V team, across backend and frontend Maintain simulation foundations: determinism and reproducibility,...
- ...exports, the systems you design set the standard for how the entire engineering organization builds and scales. This is a true end-to-end... .... Qualifications 5+ years of professional experience building backend systems in an enterprise environment. 2+ years of experience...
Do you want to receive more vacancies?
Subscribe and receive similar vacancies to Backend Engineer. Be the first to apply!

