Tech Lead (Node.js / React)

🏢 Summary: The offer is for a Tech Lead role combining hands-on development (primarily Node.js and React) with technical leadership across multiple projects and teams. The position focuses on system architecture, scalable solution design, and maintaining high engineering standards while coordinating cross-functional development efforts. It requires strong technical expertise and the ability to guide teams across diverse technology stacks. 🗂️ Requirements: 8+ years of software development experience, Proven experience as Tech Lead or similar role, Strong hands-on experience with Node.js, Strong hands-on experience with React, Experience in system design and software architecture, Ability to work across multiple technology stacks, Knowledge of CI/CD practices, Understanding of code quality standards, Experience with scalable systems 📃 Skills: Node.js, React, JavaScript, CI/CD, Architecture, SystemDesign, Scalability, CodeQuality 🏢 Description: Working as a Tech Lead, you will: Lead and coordinate the work of multiple development teams across different projects and technology stacks Act as a hands-on technical expert, contributing to development (primarily Node.js / React, with flexibility across other technologies) Design, review, and consult on system architecture and technical solutions Translate business requirements into scalable and maintainable technical implementations Collaborate closely with developers, providing guidance on complex technical challenges and best practices Build, grow, and structure engineering teams, including active participation in recruitment processes Allocate and staff projects using both existing team members and new hires Ensure alignment and consistency across projects in terms of technical standards and delivery quality Monitor progress, identify risks, and proactively communicate status to stakeholders Foster a strong engineering culture focused on ownership, quality, and continuous improvement About Chabre IT Services Chabre IT Services is a global professional IT services provider, building long-lasting relationships with Enterprises. We specialize in the delivery of tailor-made solutions,  smart outsourcing, try&hire, and success fee services. We are a smart IT boutique with unique knowledge, which will deliver your ideas into reality. About our Client Our client is a global technology and management consultancy specializing in driving digital transformation in the financial services industry. It operates at the intersection of business and technology by combining innovative thinking with unrivalled industry knowledge to deliver endto-end data-driven solutions and fast-track digital initiatives for banking and payments, capital markets, wealth and asset management, insurance, and the energy sector. Qualifications 8+ years of professional experience in software development Proven experience in a Tech Lead or similar leadership role Strong hands-on expertise in Node.js and React (experience with additional technologies is a plus) Ability to operate across multiple technology stacks and adapt to different project needs Experience in system design and software architecture Strong understanding of modern development practices, including CI/CD, code quality, and scalability Experience in team building, mentoring, and technical leadership Ability to communicate effectively with both technical and non-technical stakeholders Strong organizational skills and ability to manage multiple teams and priorities simultaneously Proactive mindset with strong ownership and problem-solving skills English proficiency at C1 level We offer Rate up to 170,00 PLN /h + VAT Remote work Subsidy for peripherals in the amount of 500,00zł Working tool (MacBook Pro or Lenovo Legion 5) Co-financing of courses related to the position Benefits: MultiSport, Medicover

🏢 Summary: Senior Tech Lead role focused on leading engineering teams and defining technical strategy for digital transformation and automation projects. The position involves designing scalable cloud-based solutions using Node.js and React, overseeing architecture, code quality, and CI/CD processes. The role combines hands-on technical leadership with collaboration across international stakeholders. 🗂️ Requirements: Minimum 10 years experience in designing and delivering IT solutions, At least 3 years experience in Tech Lead role, Strong proficiency in Node.js and React, Practical experience with Azure or GCP, Experience with Kubernetes and Terraform, Experience implementing CI/CD pipelines, Experience managing distributed international teams, Higher technical education in Computer Science, Engineering, or related field, Familiarity with ITIL v4, DevOps, Agile, Kanban, Fluent English B2/C1 level 📃 Skills: Node.js, React, Azure, GCP, Kubernetes, Terraform, CI/CD, ITIL, DevOps, Agile, Kanban, JavaScript, Cloud 🏢 Description: We are seeking an experienced Tech Lead to play a pivotal role in leading and growing our engineering teams. The ideal candidate will combine deep technological expertise—especially in node.js/react and cloud solutions—with strong leadership and communication skills. You will be responsible for technical strategy, architecture, code quality, and mentoring, while collaborating with business stakeholders and supporting international projects. Our expectations - Minimum 10 years of experience in designing and delivering IT solutions, including at least 3 years in a leadership role (Tech Lead). - Strong proficiency in node.js/react - Practical experience with cloud platforms (Azure, GCP), Kubernetes, Terraform, CI/CD. - Proven ability to manage distributed and international teams, conduct code reviews, and mentor engineers. - Experience working in international environments and communicating with technical and business stakeholders. - Higher technical education (Computer Science, Engineering, Project Management). - Familiarity with ITIL v4, DevOps, Agile, Kanban methodologies. - Fluent English (B2/C1 level). Soft skills - Excellent communication and presentation skills. - Ability to work under pressure in a dynamic environment. - Proactive, goal-oriented, and problem-solving mindset. - Relationship-building skills with technical and business teams. Key tasks - Lead and mentor technical teams (Frontend, Backend, DevOps, QA) in digital transformation and automation projects. - Design and oversee scalable, secure solutions based on node.js/react and cloud components (Azure, Kubernetes, Terraform). - Implement and maintain CI/CD processes, test automation, monitoring, and deployment pipelines. - Conduct code reviews and ensure adherence to best practices in architecture and security. - Translate business requirements into concrete technical solutions and support pre-sales activities. - Coordinate knowledge transfer and onboarding for development teams. - Monitor project progress, report KPIs, and analyze risks. - Collaborate with international teams and stakeholders (Europe, USA, APAC). - Maintain project documentation and lead status meetings and retrospectives. - Foster a culture of innovation, continuous improvement, and high performance.

🏢 Summary: Tech Leader role in an international transformation program focused on modernizing core enterprise platforms across multiple countries. The position combines hands-on Java development with technical leadership, driving architecture decisions and ensuring high-quality delivery in an agile environment. You will design and evolve complex core systems while collaborating with cross-functional stakeholders. 🗂️ Requirements: 6+ years enterprise software development experience, Experience with complex core systems (configuration, integrations, business logic), Strong knowledge of Java and JVM ecosystem, Experience designing and implementing REST APIs, Strong SQL knowledge, Experience in Agile/Scrum environments, Ability to lead technical delivery and mentor developers, Understanding of clean code principles and design patterns, Fluent English 📃 Skills: Java, JVM, REST, SQL, Agile, Scrum 🏢 Description: About the role You will join an international technology team working on a large-scale transformation program focused on modernizing core business platforms across multiple countries. The team operates in an agile setup and is responsible for building and evolving critical systems that support key business processes. We are looking for a Tech Leader who combines strong hands-on engineering skills with the ability to drive technical decisions and ensure high-quality delivery. You will work closely with both business and technology stakeholders in a collaborative, cross-functional environment. Key responsibilities Lead technical delivery within the development team (hands-on + mentoring) Design and implement new features within a core enterprise platform Translate business requirements into scalable technical solutions Ensure high code quality, performance, and adherence to engineering best practices Collaborate with business analysts, testers, and stakeholders Maintain and enhance existing solutions Identify and reduce technical debt Actively participate in Scrum ceremonies and contribute to continuous improvement Create and maintain technical documentation Requirements 6+ years of experience in enterprise software development Experience working with complex core systems (configuration, integrations, business logic) Strong knowledge of: Java / JVM ecosystem REST APIs SQL Experience working in Agile/Scrum environments Proven ability to guide and mentor developers Solid understanding of clean code principles and design patterns Fluent English Nice to have Experience with large-scale, distributed systems Background in transformation or platform modernization projects Experience working in international environments What’s in it for you Participation in a large, international transformation program Work in a mature agile environment Real impact on architecture and platform evolution Collaboration with experienced teams across multiple locations Flexible form of cooperation: employment contract (UoP) or B2B

🏢 Summary: Technical Lead (.NET) role focused on leading engineering teams in building scalable logistics and supply chain software solutions using microservices and cloud technologies. The position combines hands-on coding, architecture design, team leadership, and CI/CD process optimization in a hybrid work environment based in Kraków. Candidates should have strong .NET expertise, cloud experience, and proven technical leadership skills. 🗂️ Requirements: 8+ years of software engineering experience, Minimum 2 years in a technical leadership role, Strong experience with .NET and C#, Experience designing and developing scalable APIs, Knowledge of RESTful principles and best practices, Experience with microservices architecture, Experience with message queues, Experience with event-driven architecture, Experience with MySQL, MongoDB, or CosmosDB, Experience with Azure and GCP cloud services, Experience with Docker and Kubernetes, Experience with Agile methodologies, Experience with CI/CD practices, Experience managing software releases and performance monitoring, Advanced English proficiency (B2+) 📃 Skills: .NET, C#, Node.js, REST, Microservices, RabbitMQ, Kafka, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, Agile 🏢 Description: As Technical Lead (.NET) you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations. Your role will be a hands-on leadership position where you guide engineering teams to deliver scalable, high-quality software solutions. This is the perfect role for experienced engineers who thrive in technical decision-making, architecture, and mentorship—while staying engaged in hands-on coding. Key Responsibilities: - Define the technical direction, making pivotal design decisions to ensure our architecture is scalable, maintainable, and high performing. - Stay hands-on with coding, leading by example and ensuring adherence to best practices in security, performance, development, deployment and observability. - Implement scalable microservices, API gateways, and event-driven architectures, ensuring high availability, disaster recovery and fault tolerance strategies are in place. - Champion high-quality code testing, automation testing, and continuous integration/continuous deployment (CI/CD). - Oversee Azure-based cloud architecture, optimizing performance, security, and cost efficiency. - Directly supervise, mentor, and develop a team of 5-7 engineers, providing career guidance and fostering a culture of engineering excellence full of collaboration, accountability and professional growth. - Actively recruit and interview top talent to strengthen the engineering team. - Collaborate with Product Managers to align roadmap priorities, streamline development workflows, and enhance team processes for improved efficiency and operational excellence. - Optimize development workflows and SDLC processes to improve team velocity, efficiency and maintain low cycle times. - Establish engineering KPIs and leverage data-driven insights to enhance performance. - Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: - 8+ years in software engineering (ideally .NET C#), with at least 2 years in a technical leadership role. - Experience in other tech stacks like Node.js as a plus. - Demonstrated expertise in designing and developing scalable APIs, with knowledge of RESTful principles and best practices. - Knowledge of microservices architecture and related design patterns / best practices. - Experience with message queues (e.g., RabbitMQ, Kafka) and event-driven architecture / patterns. - Experience with databases such as MySQL, MongoDB, CosmosDB or similar. - Experience utilizing cloud services (Azure and GCP) and containerization (Docker, Kubernetes). - Experience with Agile methodologies and CI/CD practices. - Experience in managing software releases, performance monitoring, and reliability improvements. - Strong problem-solving skills and ability to work in a fast-paced environment. - Ability to explain complex technical concepts to engineers, executives, and cross-functional teams. - Advanced proficiency in English, both written and spoken (B2+). Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred) Salary levels: 28 000 – 32 000 PLN/ month

🏢 Summary: Hands-on Technical Lead (.NET) role focused on designing and delivering scalable, high-performance software solutions for logistics platforms. The position combines architectural decision-making, microservices and cloud-based system design with active coding and team leadership. You will drive technical direction, ensure best engineering practices, and oversee Azure-based cloud environments and CI/CD processes. 🗂️ Requirements: 8+ years of software engineering experience, Minimum 2 years in technical leadership role, Strong experience with .NET and C#, Experience designing and developing scalable RESTful APIs, Knowledge of microservices architecture and design patterns, Experience with message queues, Experience with relational or NoSQL databases, Experience with Azure and GCP cloud services, Experience with Docker and Kubernetes, Experience with CI/CD practices, Experience with Agile methodologies, Experience managing software releases and performance monitoring, Advanced English proficiency (B2+) 📃 Skills: .NET, C#, Node.js, REST, Microservices, RabbitMQ, Kafka, MySQL, MongoDB, CosmosDB, Azure, GCP, Docker, Kubernetes, CI/CD, Agile 🏢 Description: As Technical Lead (.NET) you join a team of talented engineers and developers working together to transform final mile logistics and supply chain operations.  Your role will be a hands-on leadership position where you guide engineering teams to deliver scalable, high-quality software solutions. This is the perfect role for experienced engineers who thrive in technical decision-making, architecture, and mentorship—while staying engaged in hands-on coding. Key Responsibilities: Define the technical direction, making pivotal design decisions to ensure our architecture is scalable, maintainable, and high performing. Stay hands-on with coding, leading by example and ensuring adherence to best practices in security, performance, development, deployment and observability. Implement scalable microservices, API gateways, and event-driven architectures, ensuring high availability, disaster recovery and fault tolerance strategies are in place. Champion high-quality code testing, automation testing, and continuous integration/continuous deployment (CI/CD). Oversee Azure-based cloud architecture, optimizing performance, security, and cost efficiency. Directly supervise, mentor, and develop a team of 5-7 engineers, providing career guidance and fostering a culture of engineering excellence full of collaboration, accountability and professional growth. Actively recruit and interview top talent to strengthen the engineering team. Collaborate with Product Managers to align roadmap priorities, streamline development workflows, and enhance team processes for improved efficiency and operational excellence. Optimize development workflows and SDLC processes to improve team velocity, efficiency and maintain low cycle times. Establish engineering KPIs and leverage data-driven insights to enhance performance. Stay updated with industry trends and emerging technologies to continuously improve our platform. Requirements: 8+ years in software engineering (ideally .NET C#), with at least 2 years in a technical leadership role. Experience in other tech stacks like Node.js as a plus. Demonstrated expertise in designing and developing scalable APIs, with knowledge of RESTful principles and best practices. Knowledge of microservices architecture and related design patterns / best practices. Experience with message queues (e.g., RabbitMQ, Kafka) and event-driven architecture / patterns. Experience with databases such as MySQL, MongoDB, CosmosDB or similar. Experience utilizing cloud services (Azure and GCP) and containerization (Docker, Kubernetes). Experience with Agile methodologies and CI/CD practices. Experience in managing software releases, performance monitoring, and reliability improvements. Strong problem-solving skills and ability to work in a fast-paced environment. Ability to explain complex technical concepts to engineers, executives, and cross-functional teams. Advanced proficiency in English, both written and spoken (B2+). Office location: Kraków, Poland Work Style: hybrid (2-3 days from the office / week preferred) Salary levels: 28 000 – 32 000 PLN/ month Take the next step in your career and become a part of OneRail’s exciting journey!

🏢 Summary: Tech Lead role responsible for leading development of cloud-native platform components, driving change and run activities, and ensuring operational stability of products and services. The position focuses on designing and implementing microservices-based solutions on GCP using modern technologies. It combines hands-on engineering with architectural support and technical leadership within an agile pod. 🗂️ Requirements: Proven experience with cloud application architecture, Experience designing and developing microservices architecture, Hands-on experience with Java/J2EE, Hands-on experience with Spring and Spring Boot, Experience with Python development, Experience building RESTful services, Experience with containerized applications, Experience with Kubernetes and Docker, Experience with GCP cloud platform, Knowledge of cloud-native application development, Ability to coordinate product upgrades and technical PoCs, Strong technical communication skills 📃 Skills: Java, J2EE, Spring, SpringBoot, Python, REST, Microservices, Kubernetes, Docker, GCP, Cloud, Containers 🏢 Description: ABOUT THE PROJECT HSBC is one of the largest banking and financial services organisations in the world, with operations in 64 countries and territories. We aim to be where the growth is, enabling businesses to thrive and economies to prosper, and, ultimately, helping people to fulfil their hopes and realise their ambitions. We are currently seeking an experienced professional to join our team in the role of Tech Lead. The Technical Lead is primarily responsible for: lead the development of the component/system(s) of new platform. Primarily accountable for the change and run activities associated with the delivery of the products and services, the development and operational lifecycles. YOUR RESPONSIBILITIES Participate in the design and planning of projects in conjunction with the Leads, other IT, business users and external partners. Develop the most appropriate IT solutions in line with the solution design, to meet customer needs, ensuring continuous improvement. Develop and review cloud native app best practices. Hands-on implementation and validation tools & packages, usually on GCP, using Spring and other latest technologies. Be accountable for the operational stability, integrity and availability of products and services supported by the pod. Be accountable for the performance of the pod activities and maintaining performance in line with benchmark objectives (inc productivity, quality and effectiveness measures). Support the solution architect to ensure that solutions and services are supported by the right architectures & systems. SKILLS & EXPERIENCE WE REQUIRE Proven experience with cloud application architecture, microservices and container-based applications. Strong hands-on engineering skills in: Java/J2EE, Spring, Spring Boot, Python, RESTful services. Experience in designing and developing microservices architecture. Ability to develop containerized applications using Kubernetes and Docker. Ability to coordinate with third-party product vendors on product upgrades and testing of required new capabilities via proof of concepts, while adhering to HSBC policies and procedures. Experience in cloud native application development, particularly within GCP. Strong communication & presentation skills are required for effective collaboration with multiple stakeholders / teams across the group and for chairing enterprise level working groups. WHAT WE OFFER Competitive salary Annual performance-based bonus Additional bonuses for recognition awards Multisport card Private medical care Life insurance One-time reimbursement of home office set-up (up to 800 PLN). Corporate parties & events CSR initiatives Nursery discounts Financial support with trainings and education Social fund Flexible working hours Free parking

🏢 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: Tech Lead role responsible for driving technical direction, architecture, and scalability of a global SaaS CAFM platform, covering backend, database, and UI layers. The position focuses on translating business needs into robust technical solutions while ensuring performance, quality, and delivery within an agile environment. Hybrid work model with cross-functional collaboration across international teams. 🗂️ Requirements: 5+ years hands-on PHP experience, Prior experience as Tech Lead, Strong knowledge of software architecture and system design, Experience with database design, Experience with scalable and high-performance systems, Familiarity with Flutter or mobile development, Experience with AWS or other cloud platforms, Experience working in agile product environments, Ability to use AI development tools in daily workflow 📃 Skills: PHP, Flutter, AWS, SQL, Architecture, Agile, Copilot, Claude, ChatGPT 🏢 Description: ABOUT THE COMPANY Our client is redefining how the world's most ambitious real estate companies run their operations. Our mission is to become Europe's leading platform for managing warehouse, logistics, retail, and multi-site commercial real estate portfolios — empowering clients to protect revenue, boost efficiency, and unlock new value across every aspect of their business. Our unified CAFM platform already powers the daily operations of over 250 million m² of real estate worldwide, supporting more than 500,000 professionals. Following recent strategic mergers, we now help manage 100,000+ buildings across 35+ countries — and we're just getting started. Backed by a leading growth equity investor, we're scaling rapidly through acquisitions and bold innovation, staying true to our core values: adaptability, collaboration, and client focus. ABOUT THE ROLE We're looking for a Tech Lead to drive technical direction for an assigned team, covering everything from database design to user interface. You'll take full accountability for scalability, performance, and code quality — translating business needs into technical solutions and shaping the operational backbone of a high-growth SaaS company with global reach. This is a hybrid role requiring 2–3 days per week in the office. WHAT YOU'LL WORK ON Architecture and technical leadership Drive architecture decisions — not just code reviews. Own the technical direction for your team and ensure solutions are scalable, performant, and built to last. Business-to-technical translation Work closely with PMs, QA, mobile teams, and client stakeholders to translate business requirements into actionable technical solutions and vice versa. Sprint planning and delivery Decompose epics into actionable tasks, support sprint planning, and keep delivery on track across a cross-functional team. AI-augmented development Actively use AI tools — Copilot, Claude, ChatGPT — as part of your daily workflow. We expect our engineers to leverage these tools to move faster and build better. WHAT WE LOOK FOR Senior PHP engineering experience 5+ years of hands-on PHP experience with a strong grasp of architecture, performance, and code quality in product environments. Prior Tech Lead experience You've led a team before — you know how to balance technical ownership with enabling others to do their best work. Mobile development familiarity Experience with Flutter or mobile development. You don't need to be a mobile specialist, but you can work across the stack. Cloud platform knowledge Familiarity with AWS or other cloud platforms and how to build and deploy at scale. Product and agile mindset Background in product-oriented, agile environments. You think about outcomes, not just outputs. THE TEAM You'll work within a curious, international, and mission-driven engineering organisation. The culture is collaborative, the autonomy is real, and the scope is genuinely global — 35+ countries, 500,000+ users, and growing. COMPENSATION & BENEFITS Salary 192,000 – 300,000 PLN per year. Learning Annual learning budget. Perks Office-led social initiatives including yoga, football, company retreats, happy hours, and weekly breakfasts. Growth Exciting intra-company career growth paths with real scope expansion as the business scales. Work model Hybrid — 2–3 days per week in the office.

🏢 Summary: Remote Team Lead Software Development role focused on leading a cross-functional engineering team while staying hands-on with backend and web service architecture and implementation in a .NET environment. The position combines technical leadership, product collaboration, and ownership of architectural decisions in an agile setup. You will drive engineering quality, technical standards, and team growth while contributing directly to code and system design. 🗂️ Requirements: Several years of experience in software development with .NET / C#, Minimum 3 years of experience leading development teams, Strong knowledge of software design patterns, Strong understanding of system architecture, Experience with modern engineering practices, Hands-on experience with backend and web services development, Experience using AI in software development process, Fluent English 📃 Skills: .NET, C#, AI, Elasticsearch, RabbitMQ, Redis, Azure, CI/CD, Umbraco, Containers, Backend, WebServices, Architecture, Agile 🏢 Description: Does building awesome, innovative products that add up to something meaningful sound like a dream come true? Come join us and make that vision a reality! About We are looking for an experienced Team Lead Software Development who combines strong technical expertise with leadership skills and a product-oriented mindset. In this role, you will take ownership of development teams, supporting both its technical direction and people development. You will lead a cross-functional engineering team of around 7–9 people , including Frontend, Backend, and QA specialists. The team works in an agile setup and collaborates closely with a Product Owner, UX Design, DevOps, and ITOps. Responsibilities Lead, coach, and support the development of your engineering team Help your team grow into a high-performing, self-organized unit Act as a sparring partner for the Product Owner and actively contribute to roadmap planning and prioritization Stay hands-on with the design, architecture, and implementation of backend and web services Make and own technical decisions, while communicating them clearly to stakeholders Improve agile processes within the team and continuously optimize the way of working Contribute to solution and domain design Strengthen engineering quality, good practices, and technical standards Take part in recruitment interviews and support the further development of the team Our offer Competitive salary on B2B contract Fully remote position Real impact and independence at work Individual career path Work-life balance A non-corporate atmosphere where innovation, personal growth, and teamwork thrive 100+ smart, curious & ambitious engineers What you bring Several years of experience in software development with .NET / C# At least 3 years of experience leading development teams, both technically and people-wise Experience using AI in the software development process Strong understanding of software design patterns, system architecture, and modern engineering practices A hands-on approach and the ability to stay close to the code when needed Strong communication skills and the ability to explain technical topics clearly to both technical and non-technical stakeholders A pragmatic mindset — you care about quality, but you also understand business priorities Fluent English, German is a plus Nice to have Experience with Elasticsearch, RabbitMQ, Redis, containers, Azure Cloud, CI/CD, Umbraco Experience working in a scale-up environment Knowledge of the financial market or financial products Benefits International Projects Small Teams Flat Structure Friendly Atmosphere Flexible Hours Individual Career Path We want your TALENT! Don’t hesitate and APPLY! We are happy to tell you more details about this position in a phone call. Our recruitment process is very fast and straightforward to ensure a great experience from the first interview to joining your dream team!

🏢 Summary: Backend Tech Lead role focused on leading and implementing a strategic rewrite of a core financial platform module into a modern, scalable architecture. The position combines hands-on Java/Spring Boot development with architectural decision-making, API design, and integration across multiple enterprise banking systems. It involves designing high-performance backend services handling large transactional and reporting datasets. 🗂️ Requirements: 7+ years backend or fullstack development experience, Strong Java expertise, Strong Spring Boot expertise, Experience designing REST APIs, Experience as Tech Lead or technical owner, Experience designing scalable and distributed systems, Strong relational database design skills (PostgreSQL), Experience with Elasticsearch or similar search technology, Experience integrating external systems via REST or GraphQL, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Knowledge of OAuth2 and OIDC, Working knowledge of React, Working knowledge of TypeScript, Experience handling large datasets with complex queries, Ability to lead architecture and mentor developers 📃 Skills: Java, Spring, SpringBoot, REST, GraphQL, PostgreSQL, Elasticsearch, Docker, Kubernetes, CI/CD, OAuth2, OIDC, React, TypeScript, SQL, Microservices, DistributedSystems 🏢 Description: Our client is an international financial technology company building solutions that support transaction communication, balances visibility, reporting, and integrations across multiple banking systems . We are looking for a Backend Tech Lead to join a strategic rewrite of a core platform module. The role combines technical leadership with hands-on backend development , helping redesign a legacy component into a modern, scalable architecture. You will work closely with product stakeholders, platform engineers, and frontend teams to design and implement reliable, high-performance backend services that integrate multiple enterprise systems. IN SHORT: 🌍 Remote work or on-site (Wrocław, Bielsko-Biała) – your choice! 💰 170 - 190 PLN/h + VAT ☑️ B2B contract Your Daily Missions Lead the design and development of backend services for a core platform rewrite. Design scalable services responsible for transactions, balances, statements, and reporting data . Define API contracts and integration patterns between backend services, frontend applications, and external enterprise systems. Make key decisions around data modeling, search/indexing strategies, and performance optimization for million-row datasets with complex filtering, sorting, and pagination . Support frontend teams by ensuring API-first design and smooth integration with React applications . Ensure engineering quality through code reviews, architecture discussions, and mentoring other developers . Collaborate closely with product, frontend, and platform teams to deliver robust, production-ready systems . The Essentials We're Seeking 7+ years of experience in backend or fullstack software development. Strong expertise in Java and Spring Boot , including designing modular backend services and REST APIs. Experience acting as a Tech Lead or technical owner responsible for architectural decisions. Solid experience designing scalable APIs and distributed systems . Strong understanding of data modeling in relational databases (e.g., PostgreSQL) and designing efficient query patterns. Practical experience with Elasticsearch (or similar search/indexing technologies) for filtering, search, and aggregation over large datasets. Experience designing hybrid data architectures combining multiple data sources . Experience working with external system integrations , including REST or GraphQL APIs. Familiarity with containerized environments (Docker, Kubernetes) and modern CI/CD pipelines. Understanding of security patterns in enterprise systems (OAuth2, OIDC, authentication and authorization flows). Working knowledge of React and TypeScript , enabling effective collaboration with frontend teams. Proven ability to break down complex architectural changes into manageable development phases . Experience using AI-assisted development tools (e.g., Cursor, Claude Code, or similar agentic coding tools) and openness to experimenting with AI-driven approaches to improve development efficiency and engineering workflows . Ability to combine hands-on engineering with technical leadership and mentoring . Nice-to-Haves Experience in FinTech, banking, or enterprise integration platforms . Experience with large-scale transactional or reporting systems . Experience with GraphQL integrations . Experience with data migration or legacy system modernization . Experience designing API-first platforms . Familiarity with observability practices (logging, metrics, tracing). Understanding of database partitioning and query optimization patterns . Reasons Why You Would Enjoy Working With Us We work in the latest technologies and with international clients, and our projects are polished from < to /> - learn about some of the projects we have completed. We organize TechTalks, meet-ups and create guilds where we exchange knowledge - you can learn a lot from your teammates. We have a close-knit team and we make sure to have regular integrations - we often go out to celebrate together. You can work remotely or choose to work from our offices in Wroclaw or Bielsko-Biala. However, we count on your openness to occasionally visit the office for team meetings or client visits, or possible occasional trips to the client's headquarters. You can adjust your working hours to suit your needs, starting your day between 7:00 and 10:00 am. You can work with great specialists in their fields who also have a sense of humor and other after-hours hobbies. It is the people who create the unique atmosphere and relaxed atmosphere at CSHARK. We have a flat structure - we are not a corporation and don't want to be one 🙃. We offer bonuses for employee referrals (from 3000 PLN to 7000 PLN). We organize remote English classes and provide access to the company library. You can also become an author/author of articles published on our technical blog - https://cshark.com/blog/ .