Java Tech Lead

🏢 Summary: Hands-on Backend Tech Lead role responsible for driving technical architecture and implementation of a scalable SaaS legal-tech platform on AWS. The position combines active Python/Django development with team leadership, system design, and ownership of backend delivery. You will lead feature development end-to-end while ensuring high standards in scalability, security, and CI/CD practices. 🗂️ Requirements: 10+ years professional software development experience, 3+ years in technical leadership or mentoring role, Expert-level Python 3.10+, Expert-level Django 4.x, Strong REST API development experience, Strong system design and architecture skills, Experience building scalable systems on AWS, Advanced PostgreSQL knowledge, Experience with Redis and Elasticsearch/OpenSearch, Experience deploying and scaling applications with ECS, Lambda, S3, CloudFront, RDS, Strong CI/CD practices knowledge, Infrastructure as Code experience, Strong debugging and problem-solving skills 📃 Skills: Python, Django, REST, AWS, ECS, Lambda, S3, CloudFront, RDS, PostgreSQL, Redis, Elasticsearch, OpenSearch, Terraform, Terragrunt, CI/CD, CloudWatch, Sentry, KMS, SOPS, JWT 🏢 Description: About Us We build B2B legal technology that helps law firms and fund managers work faster and produce higher-quality results. Our product makes the legal processes for raising private investment funds simpler, helping lawyers speed up drafting, negotiations, and compliance. Our platform runs on a single-tenant SaaS system hosted on AWS in multiple regions. It is built using modern technologies: Python/Django, React/TypeScript, PostgreSQL, Redis, Elasticsearch/OpenSearch, S3, ECS, and Lambda. Our teams use Agile Scrum methods and strong practices for CI/CD, Infrastructure as Code (Terraform/Terragrunt), and security. Role Overview We are looking for a Backend Tech Lead to guide one of our engineering teams. This is a hands-on leadership role for a skilled senior backend engineer ready to lead. You will manage the technical direction of your team while still actively coding, designing systems, and solving complex platform and data challenges. You will oversee building features from design to implementation, mentor engineers, promote technical excellence, and encourage a collaborative team culture. You will work closely with Product Managers to ensure your team delivers scalable, maintainable, and high-quality solutions for our clients worldwide. Key Responsibilities Lead technical design, architecture, and implementation of new features. Ensure solutions are scalable, secure, and match the product vision. Mentor backend engineers and support their growth through guidance, code reviews, and career development. Stay hands-on in Python/Django coding and solve complex platform and database issues. Set and enforce best practices for coding, testing, CI/CD, and system design. Work with Product Managers to turn requirements into technical designs and development plans. Manage the team’s technical roadmap and delivery, addressing risks and meeting sprint goals. Facilitate technical discussions, resolve difficult decisions, and make key architectural choices. Improve developer workflows and team productivity with tools and automation. Essential Requirements At least 10 years of professional experience in software development. Minimum 3 years in a leadership or mentoring role. Expert in Python 3.10+ and Django 4.x, including REST API development. Strong system design and architecture skills, with experience building scalable AWS systems. Skilled with PostgreSQL, Redis, and Elasticsearch/OpenSearch. Experience deploying and scaling applications on AWS (ECS, Lambda, S3, CloudFront, RDS). Strong problem-solving and debugging skills across the stack. Preferred Requirements Experience in legal tech, FinTech, or regulated industries. Knowledge of Infrastructure-as-Code (Terraform/Terragrunt) and advanced AWS tools. Familiarity with monitoring tools (CloudWatch, Sentry) and security practices (KMS, SOPS, JWT). Experience leading remote or distributed teams and setting team development standards (testing, linting, pre-commit workflows). Personal Attributes Hands-on leader who enjoys building software and supporting their team. Clear communicator, able to explain technical ideas to technical and non-technical people. Pragmatic decision-maker balancing technical quality and business needs. Strong sense of ownership and accountability for team success and platform health. Proactive problem-solver, adaptable in a growing company. Committed to learning and sharing knowledge with the team. What We Offer Competitive salary. Career growth opportunities in a fast-growing tech company. Remote-first culture with international colleagues. Work with innovative legal-tech solutions and high-profile global clients. This senior role allows you to shape the technical future of our product, working across the stack to deliver features for some of the world’s leading law firms.

🏢 Summary: Senior Front-End Tech / Team Lead role focused on building scalable, enterprise-grade applications using React and TypeScript while leading a development team. Combines hands-on frontend engineering with architectural decision-making, code quality ownership, and technical mentorship. Involves working within Agile processes to deliver high-quality, secure, and maintainable solutions. 🗂️ Requirements: Senior or Lead-level frontend development experience, Proven experience leading technical teams, Strong expertise in React and TypeScript, Experience with Redux and RTK Query, Experience with relational and NoSQL databases, Experience with containerization and orchestration tools, Experience with CI/CD and Git-based workflows, Knowledge of unit and integration testing frameworks, Experience working in Agile environments, Ability to translate business requirements into technical solutions 📃 Skills: React, TypeScript, Redux, RTKQuery, HTML5, CSS3, Tailwind, PostgreSQL, MongoDB, SQLServer, RabbitMQ, Redis, Auth0, Kubernetes, Docker, Git, GitLab, Azure, Jest, Mocha, JUnit, NUnit, SCORM, xAPI, LTI, MSGraphAPI, ZoomSDK, WCAG 🏢 Description: Key Role Objectives The Front-End Tech / Team Lead role combines deep technical expertise with leadership responsibilities, ensuring high quality code delivery while mentoring and guiding the development team, help make architectural decisions, and build scalable and enterprise solutions. Key Details Location: [Krakow – preferred] Employment Type: [B2B] Experience Level: [ Senior / Lead] Key Requirements   |   Technical Frontend: React 18 with Typescript, Redux, RTK Query, HTML5, CSS3, Tailwind Databases: PostgreSQL, MongoDB, SQL Server Other Third Party: RabbitMQ, Redis, Auth0 DevOps: K8s, Docker, Git (GitLab), Azure Testing: Unit and integration testing frameworks (e.g., Jest, Mocha, Junit, NUnit) Bonus: LTI standards, SCORM/xAPI, or real-time systems (e.g., live quizzes, video classrooms) Key Requirements | Leadership Proven experience in a lead or senior role guiding technical teams Team communication skills and experience working in Agile environments Strong stakeholder management skills and ability to interpret and evaluate business goals Ability to translate business goals into technical execution plans Key Responsibilities | Technical Develop, test and maintain robust and stable services and applications using your language of expertise Follow the mandatory standards and conventions, including technical and behavioural, defined for the project Read and follow the architectural product documentation in decision-making process and implementation Ensure high quality and correctness of the changes produced by your teammates through meticulous code reviews Cover your produced code with effective unit tests and ensure sufficient level of coverage Follow the product non-functional requirements, including performance, security, maintainability, and scalability Participate in architectural decisions; contribute to technical strategy and documentation Keep abreast and informed about the latest technological improvements, be curious and proactive to apply the best technologies and practices to the project being developed Key Responsibilities | Leadership Lead a l team of developers through agile sprints and project lifecycles Mentor junior and mid-level engineers, foster a culture of collaboration and innovation and promote best practices Communicate and ensure processes, standards and conventions established for the project Collaborate with Product Managers, UX/UI Designers and QA teams, to align tech solutions with business goals Translate product requirements into technical deliverables that meet business requirements and deadlines Drive continuous improvement in processes, architecture, and team culture Own and manage technical debt, refactoring, and system improvements Nice to Haves Prior experience in the EdTech domain (e-learning platforms, digital classrooms, LMS) Knowledge of learning science, instructional design, or accessibility standards (e.g., WCAG) Familiarity with MS Graph API, Auth0 API, Zoom SDK, LTI, Clever

🏢 Summary: Tech Lead role focused on architecting and leading development of Risks & Inspections and Safety Intelligence solutions using .NET, C#, and React in an enterprise SaaS environment. The position involves backend engineering, API design, event-driven architecture, and technical leadership within a hybrid B2B contract setup. The project includes collaboration across domains with emphasis on secure, spec-driven, and scalable development practices. 🗂️ Requirements: Deep knowledge of .NET architecture, Deep knowledge of C# architecture, Experience with REST API design, Experience with OpenAPI, Expertise in React, Strong understanding of event-driven architecture, Experience in spec-driven development, Ability to lead technical projects and teams, Proficiency in English, Availability for hybrid work in Warsaw 📃 Skills: .NET, C#, REST, OpenAPI, React, SaaS, APIs, MDM 🏢 Description: Details: Team Structure : Team of 5, including the tech lead, backend, frontend, QA, and SME. Contract : B2B - 12 months contract with possible extensions. Set up: Hybrid - 2 days/week in the Warsaw’s office, rest remote. Start Date : ASAP, ideally within 3-4 weeks. Travel : Possibly one trip during the year to Netherlands or France Language Requiremen t: Proficiency in English. Summary The primary purpose of the Tech Lead role is to guide the development of a project focusing on Risks & Inspections and Safety Intelligence. This position is crucial for ensuring the architecture and backend engineering align with industry standards and project goals, leading a small team while overseeing technical delivery and stakeholder collaboration. Main Responsibilities: Architect .NET / C# solutions and oversee backend engineering. Design APIs using contract-first approach with REST and OpenAPI. Ensure React-based enterprise SaaS applications align with business requirements. Implement event-driven architecture and manage workflow orchestration. Lead spec-driven development ensuring quality and traceability. Manage authorization, auditability, and secure design practices. Facilitate human-in-the-loop controls within agentic workflow patterns. Align capabilities across multiple domains including MDM, audit, and APIs. Provide technical leadership and manage delivery planning and risk assessment. Key Requirements: Deep knowledge of .NET / C# architecture. Experience with REST and OpenAPI design. Expertise in React for enterprise SaaS applications. Strong understanding of event-driven architecture. Experience in spec-driven development practices. Capability to lead technical projects and teams. Nice to Have: Experience with agentic workflow understanding. Familiarity with human-in-the-loop governance principles. Knowledge of auditability and traceability by design. Background in cross-capability collaboration.

🏢 Summary: Offer for an experienced Backend Tech Lead responsible for defining technical direction, designing system architecture, and leading backend development in Python. The role combines hands-on coding with architectural decision-making, performance optimization, and mentoring the team. You will ensure high quality, scalability, and stability of backend systems in a production environment. 🗂️ Requirements: Minimum 6 years commercial experience in backend development, Experience in technical leadership or architectural responsibility, Very good knowledge of Python and FastAPI, Strong knowledge of PostgreSQL and SQL optimization, Experience with Redis, Practical experience with asynchronous Python, Experience designing backend architectures and APIs, Experience with automated testing using pytest, Experience with Docker and Git, Experience with CI/CD and deployment automation, Ability to debug, optimize and diagnose production issues, Experience with monitoring and log analysis, Knowledge of Atlassian tools (Jira, Confluence) 📃 Skills: Python, FastAPI, PostgreSQL, SQL, Redis, Docker, Git, pytest, CI/CD, Jira, Confluence 🏢 Description: Szukamy doświadczonego Tech Leada Backend, który poza rozwijaniem oprogramowania potrafi wyznaczać kierunek techniczny rozwoju produktu, podejmować decyzje architektoniczne oraz wspierać zespół w budowaniu wysokiej jakości rozwiązań. Poszukujemy osoby z minimum 6-letnim doświadczeniem komercyjnym w tworzeniu systemów backendowych oraz doświadczeniem w prowadzeniu technicznym zespołu lub pełnieniu roli seniora odpowiedzialnego za architekturę i standardy techniczne. Wymagania Bardzo dobra znajomość: Python; FastAPI; PostgreSQL; Redis; SQL; Docker; Git. Doświadczenie i kompetencje: doświadczenie w projektowaniu architektury systemów backendowych i podejmowaniu decyzji technicznych; bardzo dobra umiejętność debugowania, diagnozowania i optymalizacji aplikacji produkcyjnych; doświadczenie w projektowaniu API oraz modelowaniu złożonej logiki biznesowej; bardzo dobra znajomość relacyjnych baz danych oraz optymalizacji zapytań SQL; praktyczne doświadczenie z asynchronicznym Pythonem; doświadczenie w tworzeniu i utrzymywaniu testów automatycznych z wykorzystaniem pytest; wysoka dbałość o jakość, czytelność, utrzymywalność i skalowalność kodu; doświadczenie w prowadzeniu code review oraz definiowaniu standardów programistycznych; umiejętność mentoringu i wspierania rozwoju mniej doświadczonych członków zespołu; samodzielność w analizie problemów i proponowaniu rozwiązań technicznych; doświadczenie w pracy z monitoringiem, logami oraz diagnozowaniem problemów na środowiskach produkcyjnych; znajomość narzędzi Atlassian (Jira, Confluence); umiejętność efektywnej współpracy z Product Ownerami oraz innymi interesariuszami; doświadczenie z procesami CI/CD oraz automatyzacją wdrożeń. Zakres odpowiedzialności: wyznaczanie kierunku technicznego rozwoju backendu; projektowanie architektury systemu oraz podejmowanie kluczowych decyzji technologicznych; rozwój aplikacji backendowych oraz nadzór nad jakością implementacji; projektowanie i rozwój API oraz logiki biznesowej; identyfikowanie obszarów wymagających refaktoryzacji i usprawnień architektonicznych; optymalizacja wydajności aplikacji, baz danych oraz procesów backendowych; definiowanie i egzekwowanie standardów jakości kodu, testów oraz code review; diagnozowanie i rozwiązywanie złożonych problemów produkcyjnych; wspieranie zespołu w rozwiązywaniu wyzwań technicznych oraz podejmowaniu decyzji projektowych; mentoring programistów oraz rozwijanie kompetencji technicznych zespołu; współtworzenie roadmapy technologicznej oraz planowanie rozwoju systemu; dbanie o stabilność, bezpieczeństwo i utrzymywalność platformy. Mile widziane: podstawowa znajomość zagadnień frontendowych, w tym React; doświadczenie z integracjami zewnętrznymi (API dostawców, IdP/OIDC, usługi mailowe itp.); znajomość zagadnień związanych z bezpieczeństwem aplikacji webowych, w tym uwierzytelniania, autoryzacji, kontroli dostępu oraz ochrony danych. Jak wygląda praca u nas: masz realny wpływ na architekturę systemu, kierunek rozwoju technologicznego oraz standardy pracy zespołu; uczestniczysz w kluczowych decyzjach dotyczących produktu i technologii; rozwijasz produkt, który jest aktywnie wykorzystywany i stale rozwijany; masz przestrzeń do proponowania własnych rozwiązań, usprawnień i inicjatyw technicznych; stawiamy na pragmatyczne, proste i skuteczne rozwiązania zamiast niepotrzebnej złożoności; pracujesz w zespole opartym na bezpośredniej komunikacji i szybkim podejmowaniu decyzji; masz wpływ zarówno na implementację, jak i na procesy techniczne oraz organizację pracy zespołu; cenimy odpowiedzialność, partnerstwo i proaktywną postawę; działamy bez rozbudowanych struktur korporacyjnych - decyzje podejmujemy szybko i blisko zespołu. Co oferujemy: pracę wśród życzliwych i wspierających osób – stawiamy na relacje i dobrą atmosferę, mówimy sobie po imieniu. wpływ i nieskrępowany rozwój – Twoje pomysły i rozwiązania traktujemy na serio, pracę z biura (Warszawa-Żoliborz) dofinansowanie do karty MultiSport i opieki medycznej – lubimy sport, dbamy o zdrowie. 🔎 Proces rekrutacji: 1. Przegląd zgłoszeń 2. 10-minutowy video screening z wybranymi kandydatami 3. 40-minutowy test kompetencji logicznych 4. Zadanie rekrutacyjne i rozmowa z zespołem

🏢 Summary: Frontend Team Lead role focused on leading the development of scalable, high-performance React applications in a hybrid work model. The position combines hands-on architecture and implementation with mentoring a frontend team and enforcing best practices in design patterns, testing, and CI/CD. The role requires strong expertise in modern React ecosystem and state management to drive frontend excellence. 🗂️ Requirements: 5+ years experience with JavaScript or TypeScript, 3+ years commercial experience with React.js, Strong knowledge of React Hooks and Context API, Strong experience with Redux and Redux Toolkit, Experience with frontend design patterns and clean code principles, Experience integrating REST or GraphQL APIs, Strong knowledge of HTML5 and CSS3 or SCSS, Experience with component libraries and design systems, Familiarity with Webpack or Vite build tools, Experience with unit and integration testing, Experience leading or mentoring frontend developers 📃 Skills: JavaScript, TypeScript, React, Hooks, ContextAPI, Redux, ReduxToolkit, HTML5, CSS3, SCSS, REST, GraphQL, Webpack, Vite, Jest, ReactTestingLibrary, Storybook, MaterialUI, Tailwind, Next.js, Lighthouse, ChromeDevTools, WCAG, CICD 🏢 Description: Frontend Team Lead (React) 📍 Warsaw Poland, Hybrid remote with 3 days from office 💼 Contract of Employment / Umowa o pracę 💰 Monthly compensation up to 8,000 USD About the Client Our Client is a leader in AI-powered enterprise operations, delivering digital solutions and consulting services that drive value and transform businesses. They specialize in using advanced technology to streamline operations, improve efficiency, and unlock new revenue opportunities, particularly within the private capital markets. Their integrated ecosystem includes PaaS - Platform as a Service, the Core Platform, an AI-native enterprise operations foundation built to optimize workflows, surface insights, and accelerate value creation across portfolios; SaaS - Software as a Service, a cloud platform delivering unmatched performance, intelligence, and execution at scale; and S&C - Solutions and Consulting Suite, modular technology playbooks designed to manage, grow, and optimize company performance. With over a decade of experience supporting high-growth companies and private equity-backed platforms, brings deep domain expertise and a proven ability to turn technology into a strategic advantage. The Role We are looking for an experienced and passionate React Team Lead to lead the development of modern, scalable web applications. You will guide a team of React developers, enforce best practices in frontend architecture and design patterns, and ensure delivery of high-performance user interfaces. The ideal candidate has strong expertise in React (including Hooks and Context API), Redux, and frontend design patterns, and thrives in a fast-paced, collaborative environment. Key Responsibilities Lead, mentor, and support a team of React developers through code reviews, 1:1s, and hands-on coaching. Collaborate with product managers, designers, and backend engineers to define and prioritize features. Own and manage sprint planning, task estimation, and delivery timelines for the frontend team. Architect and implement complex user interfaces using React, Hooks, and Context API. Maintain and evolve a scalable state management solution using Redux Toolkit. Enforce modern frontend design patterns (such as container/presenter, compound components, render props, and HOCs). Build reusable component libraries and maintain design system alignment. Optimize application performance, accessibility, and cross-browser compatibility. Drive best practices in code quality, testing, CI/CD, and documentation. Maintain high unit and integration test coverage (e.g., using Jest, React Testing Library). Contribute to frontend architecture decisions and evaluate new tools/libraries as needed. Requirements 5+ years of experience in JavaScript/TypeScript with 3+ years in React.js Strong expertise with React Hooks, Context API, and Redux (Redux Toolkit preferred) Proven experience with frontend design patterns and clean code principles Experience integrating with RESTful APIs or GraphQL Solid understanding of HTML5, CSS3/SCSS, and responsive UI design Experience with component libraries and design systems (e.g., Storybook, Material UI, Tailwind) Familiarity with build tools like Webpack, Vite, and bundler optimizations Experience leading or mentoring engineers in a team setting Nice to Have Familiarity with performance profiling tools (e.g., Lighthouse, Chrome DevTools) Experience with SSR/SSG frameworks like Next.js Knowledge of accessibility standards (WCAG) Contributions to open-source frontend libraries What’s Offered Monthly compensation up to 8,000 USD Opportunity to lead a specialized frontend team in a fast-growing tech company Real influence on frontend architecture and design patterns

🏢 Summary: Tech Lead role focused on designing and delivering backend-centric, cloud-based solutions for a custom industrial application covering end-to-end logistics, production, and shipment processes. The position combines strong .NET backend expertise with Angular fullstack work, emphasizing Domain Driven Design, Clean Architecture, and microservices. The role requires technical ownership, architectural decision-making, and pragmatic delivery within a European team. 🗂️ Requirements: Minimum 7 years of commercial experience in .NET development, Experience in senior or Tech Lead role, Strong backend expertise, Hands-on Fullstack experience with Angular, Experience with cloud-native architectures, Knowledge of Domain Driven Design, Knowledge of Clean Architecture, Experience with microservices, Experience with API design, Practical use of AI tools in development, Fluent English, Residence in Poland 📃 Skills: .NET, Angular, C#, Cloud, Microservices, APIs, DDD, Architecture, AI, Git 🏢 Description: We are looking for an experienced Tech Lead to join a European team working on a custom-built solution for the industrial/manufacturing sector. The application supports an end-to-end process—from logistics, through production, to final shipment—ensuring full traceability and process control. This role is strongly backend- and cloud-focused and requires a pragmatic, delivery-oriented mindset. Your tasks Design, develop, and maintain backend-centric fullstack solutions using .NET and Angular Take ownership of technical decisions with a strong focus on backend architecture and cloud-based solutions Build and evolve systems based on Domain Driven Design and Clean Architecture Design, develop, and maintain microservices, APIs, and integration layers Ensure code quality through unit tests and architectural consistency Plan and realistically deliver roadmap items, focusing on feasibility, prioritization, and execution Requirements Minimum 7 years of commercial experience in .NET development, including senior or tech lead responsibilities Strong backend expertise combined with hands-on experience as a Fullstack Developer (Angular) Solid understanding of cloud-native architectures and modern backend systems Solid understanding of Domain Driven Design, Clean Architecture, microservices, and API design Practical experience using AI tools in daily development work (e.g., AI copilots, AI-assisted coding, AI-driven workflows) Pragmatic, realistic engineering mindset focused on delivery, planning, and rational decision-making Ability to take ownership of complex topics and drive them to completion Fluency in English Residing in Poland required

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

🏢 Summary: Backend Team Lead role focused on hands-on development and leading a small team while building a cloud-native application protection platform (CNAPP) based on microservices architecture. The position involves designing and implementing scalable backend systems integrated with AWS, GCP, and Azure, and optimizing high-throughput, real-time data processing solutions. It combines technical leadership with active contribution to code in a cybersecurity-focused project. 🗂️ Requirements: Minimum 8 years of backend development experience, Minimum 3 years of team leadership experience, Proficiency in at least one high-level language: Java, C#, Python or Go, Experience with AWS, GCP or Azure, Experience with high-throughput data processing systems, Experience with message queue technologies, Experience with microservices architecture 📃 Skills: Java, C#, Python, Go, AWS, GCP, Azure, Microservices, Kafka, RabbitMQ, Cloud, CNAPP 🏢 Description: Dla naszego klienta z branży cyberbezpieczeństwa / IT poszukujemy kandydata na stanowisko Backend Team Lead! ZADANIA Aktywne, codzienne programowanie i wkład w rozwój kodu źródłowego. Współtworzenie i rozwój zaawansowanej platformy ochrony aplikacji natywnych dla chmury (CNAPP) w oparciu o architekturę mikrousług. Projektowanie i wdrażanie skalowalnych rozwiązań backendowych zintegrowanych z głównymi środowiskami chmurowymi: AWS, GCP oraz Azure. Rozwój i optymalizacja systemów przetwarzających ogromne ilości danych w czasie rzeczywistym z wykorzystaniem technologii kolejek komunikatów. Kierowanie małym, dynamicznym zespołem inżynierów backendu liczącym około 3–6 osób w roli "hands-on" Team Leada. WYMAGANIA Co najmniej 8 lat doświadczenia w inżynierii backendowej z wykorzystaniem języków programowania wysokiego poziomu (np. Java, C#, Python, Go) Co najmniej 3 lata doświadczenia na stanowisku kierownika zespołu Doświadczenie w pracy z platformami i produktami chmurowymi (np. AWS, GCP i Azure) Doświadczenie we wdrażaniu systemów intensywnie przetwarzających dane (technologie kolejek komunikatów) Doświadczenie w architekturze opartej na mikrousługach MILE WIDZIANE Doświadczenie w branży cyberbezpieczeństwa CO OFERUJEMY NA TYM PROJEKCIE? Współpracę w oparciu o umowę B2B. Pracę hybrydową z Krakowa (2/3 razy w tygodniu w biura) Wsparcie dedykowanego opiekuna. Po dołączeniu do speedapp, otrzymasz kontakt do dedykowanego opiekuna, który zadba, aby współpraca z nami oraz z klientem sprawiała Ci satysfakcję. Wydarzenia oraz spotkania integracyjne, a także udział w różnych inicjatywach np. sportowych. Dostęp do oferty benefitów (opieka medyczna, ubezpieczenie na życie, karta Multisport). JAK WYGLĄDA REKRUTACJA? Zgłoszenie: Zaaplikuj i prześlij swoje CV. Po weryfikacji aplikacji rekruter skontaktuje się telefonicznie z wybranymi kandydatami. Screening: Porozmawiaj z rekruterem speedapp o Twoim doświadczeniu. Kolejne etapy: Rekruter speedapp przedstawi Ci jak wygląda proces rekrutacji na dane stanowisko. Rekruter speedapp pozostanie z Tobą w kontakcie podczas całego procesu. O SPEEDAPP W speedapp wierzymy, że organizacja jest tak dobra jak tworzący ją ludzie. Jesteśmy zespołem ekspertów IT i innych specjalistów pracujących dla naszych klientów na całym świecie (m.in Izrael, Austria, USA). Wykraczamy daleko poza kategorię HR. Budujemy zespoły IT, a także pomagamy w ich zarządzaniu. 👉 10 lat doświadczenia 👉 +100 klientów na całym świecie +300 zatrudnień rocznie 💎 Jesteśmy laureatem prestiżowej nagrody Diamenty Forbes cztery lata z rzędu (2022, 2023, 2024, 2025), członkiem sieci Fast Growth Icons oraz FinTech Poland.

🏢 Summary: Mid-level Backend Engineer role focused on building a cutting-edge FinTech platform for interbank intraday lending using Scala in an agile startup environment. The position involves delivering scalable, testable solutions through functional programming and TDD practices. The engineer will collaborate closely with the product team to incrementally develop and enhance the platform. 🗂️ Requirements: 3+ years of software development experience, Proficiency in Scala or similar language (e.g., Haskell), Understanding of reactive programming paradigms, Understanding of functional programming paradigms, Experience working in Agile environment, Experience working within Scrum framework, Ability to write testable, deployable and scalable code 📃 Skills: Scala, Haskell, Reactive, Functional, TDD, Scrum, Agile, Blockchain, DLT 🏢 Description: Are you a passionate backend engineer ready to take your skills to the next level? Join our Product Team as we build a cutting-edge FinTech platform for interbank intraday lending. This is your chance to be part of a dynamic, VC-backed startup and play a key role in shaping both our product and our company. Why Join Us? Fast-Paced Startup : Collaborate with a smart, agile team led by our hands-on technical co-founder. Your contributions will have a direct impact on our growth. Remote-First with a Weekly Anchor: Work remotely four days a week, and meet up with the team once a week at our Wrocław office to sync, collaborate in person, and keep the momentum going. Ownership : Receive equity options and be a true stakeholder in our success. Flexibility : Take advantage of a holiday schedule that isn’t tied to any specific country. Inspiring Team Off-Sites : Twice a year, we bring the entire team together for week-long off-sites in exciting locations (think Budapest, Bordeaux, Malta, and beyond). Modern AI-Augmented Workflow: We use Claude Code daily and invest in tooling that lets our engineers focus on the interesting problems. What You’ll Do Collaborate with our team to deliver incremental value through agile, systematic development cycles. Write clean, reusable, and efficient functional code using Scala , following TDD and engaging in pair-programming as needed. Ensure our solutions are testable, deployable , and scalable . Who You Are We’re looking for a proactive, mid-level backend engineer with: 3+ years of software development experience . Proficiency in Scala , or similar languages (e.g., Haskell ). A solid understanding of reactive and/or functional programming paradigms . Knowledge of Agile principles and experience working within the Scrum framework . (Nice-to-have) Experience using AI coding assistants effectively in a professional setting — knowing how to prompt well, scope tasks, and review AI-generated code critically. (Nice-to-have) An interest in or experience with blockchain/DLT technologies . (Bonus) A degree in Computer Science or a related field. About Us We are a forward-thinking FinTech startup backed by leading venture capital. Our mission is to revolutionize interbank lending through innovative technology. Agile principles guide our work, and we are committed to fostering a supportive, growth-oriented culture. If you’re excited about solving complex challenges, making an impact, and working in an environment that values both technical excellence and collaboration, we want to hear from you! Ready to Join? Apply now and start shaping the future of finance with us.

🏢 Summary: Tech Lead role in a greenfield fintech platform within the banking domain, responsible for shaping architecture and leading a cross-functional team. The position combines hands-on Java development with architectural decision-making in a microservices, event-driven environment. You will drive backend technical direction while collaborating closely on frontend integrations. 🗂️ Requirements: 7+ years commercial software development experience, Proven experience in Tech Lead role, Strong hands-on experience with Java, Strong knowledge of Spring ecosystem (Spring Boot, Spring MVC, Spring Cloud), Experience with microservices architecture, Experience with event-driven architectures, Practical experience with PostgreSQL or other relational databases, Understanding of frontend architectures (React and/or Flutter), Very good knowledge of fullstack application architecture, Experience with distributed systems, Fluent English 📃 Skills: Java, Spring, SpringBoot, SpringMVC, SpringCloud, PostgreSQL, Microservices, EventDriven, React, Flutter, SQL, DistributedSystems 🏢 Description: Salary: 1300 - 1600 PLN/MD on B2B Remote: hybrid from Gdynia / Gdańsk / Warszawa / Rzeszów / Kraków (2 days per week from the office) Why choose this offer? Opportunity to build a fintech platform from scratch (greenfield project) Real impact on architecture and core frontend services from day one Collaboration within a cross-functional, international team Work on a large-scale financial platform in the banking domain Project We are building a new fintech platform from the ground up for a financial institution operating in the banking products space . As a Tech Lead , you will own the technical direction of a cross-functional squad (developers, QA Engineer, Business Analyst) and ensure high-quality delivery across both backend and frontend layers . This is a hands-on leadership role - you will split your time between coding, architectural decision-making, and mentoring the team. The project is fully greenfield, giving you the opportunity to shape architecture, development standards, and engineering culture from day one. Each Tech Lead works closely with a Delivery Manager (shared across several teams). Responsibilities you'll have: Lead a cross-functional team through the full delivery lifecycle Own the squad’s technical direction, primarily on the backend , with awareness of frontend implications Design and evolve system architecture in a microservices and event-driven environment Ensure high code quality through reviews, standards, and best practices Collaborate with the Delivery Manager and Business Analyst to translate business needs into technical solutions Align with other Tech Leads to ensure architectural consistency across teams Identify, communicate, and mitigate technical risks and dependencies Contribute hands-on to development on a regular basis Communicate technical decisions and trade-offs clearly in English Expected competences and knowledge Minimum 7+ years of commercial experience in software development Proven experience in a Tech Lead role Strong hands-on expertise in Java and the Spring ecosystem (Spring Boot, Spring MVC, Spring Cloud) Understanding of frontend and client-side architectures , with exposure to React and/or Flutter (ability to collaborate efficiently with frontend/mobile developers, review high-level solutions, understand integration points and trade-offs) Very good understanding of fullstack application architecture Experience with event-driven architectures (message brokers, asynchronous communication, events) Practical knowledge of PostgreSQL or similar relational databases Experience working with microservices and distributed systems Strong mentoring and technical leadership skills Fluent English (spoken and written) Nice to have: Hands-on or architectural experience with React and/or Flutter Experience with Kafka or similar messaging/streaming platforms Familiarity with Google Cloud Platform (GCP) Experience with Kubernetes and containerized deployments Background in fintech or banking projects Experience building and scaling greenfield systems Technologies you'll work with Java Spring (Boot, MVC, Cloud) PostgreSQL Microservices Event-driven architecture Nice to have: React Flutter Kafka GCP Kubernetes Client – why choose this particular client from the Jit portfolio? The client is a fintech institution operating in the Kingdom of Saudi Arabia, focused on modernising its digital capabilities and expanding its offering for micro-SME customers . It is an organisation with a strong market presence and a clear strategic commitment to innovation, aiming to deliver banking experiences that are fully digital, user-friendly, and deeply integrated with day-to-day business needs. About Jit Team The Human factor of IT - it's not just a slogan, it's a philosophy. The foundation of Jit Team is people, which is why we prioritise you. We employ over 700 experienced experts . We create highly specialised teams for clients from all over the world. We offer team members developmental projects, a wide range of benefits and a proprietary professional development programme. Behind our maxim are also charitable and educational activities. We support pupils and students by donating learning equipment. We offer internships to help launch careers in IT. We support water rescuers and hospitals by providing the necessary equipment. We are a Polish company and we share what we have achieved over 15 years of activity . By supporting indigenous initiatives, we ensure the circulation of good energy. Wymagania Oczekujemy Oferujemy