Expert Fullstack Django & Angular Developer

🏢 Summary: Mid/Senior Fullstack .NET Developer role for a long-term fintech project, focused primarily on backend development with .NET while contributing to React/TypeScript frontend and cloud-native microservices architecture on AWS. The position involves building and modernizing applications within an event-driven, microservices environment with strong emphasis on testing and CI/CD. Developers actively participate in architectural decisions and AI-assisted development workflows. 🗂️ Requirements: 5+ years experience as .NET Developer, Strong C# development skills, Experience with TypeScript, Fullstack experience with React, NestJS, NextJS, Experience building Web APIs and backend services, Understanding of multithreading and parallelism, Experience with Entity Framework or Dapper, Experience with unit testing and mocking, Understanding of Microservices architecture, Understanding of Event-driven architecture, Experience with Git, Knowledge of CI/CD workflows, Experience with GitHub, Experience with SQL and NoSQL databases, Experience with PostgreSQL, MongoDB, Redis, Experience with .NET 6 or newer, Experience with AWS, Ability to use LLM-based development tools, Very good English (B2+/C1) 📃 Skills: .NET, C#, TypeScript, React, NestJS, NextJS, Node.js, WebAPI, Multithreading, EntityFramework, Dapper, UnitTesting, Microservices, Kafka, Git, GitHub, CI/CD, PostgreSQL, MongoDB, Redis, AWS, SQL, NoSQL, Playwright, Docker, LLM, Claude, Copilot, Cursor 🏢 Description: Join KOIA and work on a modern fintech platform built for the Scandinavian market. We are looking for a Mid/Senior Fullstack .NET Developer to join a long-term project for our Norwegian client. The role is backend-heavy (~65%), with additional involvement in architecture, technical analysis, and frontend development using React and TypeScript. You’ll work in a collaborative engineering environment where developers actively influence technical decisions, architecture, and product evolution. Project The application is built using modern technologies and cloud-native architecture. Frontend: React, TypeScript z NestJS, NextJS Backend: .NET and Node.js Infrastructure: AWS Architecture: Microservices, Event-driven architecture (Kafka) Testing: Unit tests, Integration/Process tests (test containers based), E2E Tests (Playwright) Databases: PostgreSQL, MongoDB, Redis Cloud: AWS CI/CD: GitHub Actions The team focuses strongly on: code quality, automated testing, maintainability, minimizing technical debt, continuous improvement. Regular technical and architectural discussions are part of the development process, and every team member is encouraged to propose ideas and improvements. Your Responsibilities: Collaborate on both the back-end and front-end development of applications. Assist clients in transforming their existing applications to a new tech stack. Work in a remote-first environment with an expectation to join the team from our Gdańsk office 2 days per week. Contribute to the success of cutting-edge technology projects. Maintain a client-focused approach and engage in frequent communication with clients. Pay attention to detail and ensure the quality of development work. Your qualifications: Must-have 5+ years of experience as a .NET Developer with TypeScript Excellent development skills in C# Fullstack experience with React, NestJS, NextJS Experience building Web APIs and backend services Good understanding of multithreading and parallelism Experience with Entity Framework and/or Dapper Experience with unit testing and mocking Good understanding of Microservice architecture, Event-driven architecture Git The entire CI/CD workflow from development to release GitHub SQL and noSQL databases (preferably with PostgreSQL, MongoDB, Redis) .NET 6 or newer AWS Very good English communication skills (B2+/C1) Experience using tools such as Claude, Copilot or Cursor in daily development Ability to leverage LLM-based tools for debugging, testing and development acceleration Actively experiments with modern AI-assisted development workflows Nice-to-have Experience with Node.js Knowledge of Domain-Driven Design (DDD) Experience with event-driven systems Fintech or product-company background Bachelor's degree in computer science or related studies What We Value Ownership and accountability Strong communication and collaboration skills Curiosity and a continuous learning mindset Proactive approach to problem-solving Attention to detail and code quality Openness to feedback and improvement Not being afraid to take the initiative to get work done while suggesting changes and improvements where needed. What We Offer Competitive Compensation 27-32 EUR/h + paid days off (B2B) An alternative higher-rate option is available without paid leave Remote-first culture with regular in-person collaboration. Impact & Autonomy You’ll have real influence on technical decisions, architecture, and product development. Learning & Growth Mentorship opportunities Self-development days Access to learning resources and tools Healthy Work Environment We value sustainable work, mature communication, and work-life balance over overtime culture. Office Space in Gdańsk Our office offers: adjustable desks, bike parking, fully stocked kitchen. Open space and smaller rooms Meaningful Projects You’ll work with innovative companies from the fintech and climate-tech sectors across Scandinavia. Recruitment Process At KOIA, we value a clear and efficient recruitment journey. Here’s what to expect: Email with Clarifying Questions After submitting your application, you’ll receive an email with a few additional questions to better understand your experience and skills. Video Call with HR A 1-hour conversation with our HR team to discuss your background, expectations, and company culture fit. Technical Video Call A technical discussion with our engineers focused on architecture, problem-solving, and real-world scenarios. You’ll walk through how you approach technical challenges, explain past decisions, and reason about solutions. No live coding. Offer If everything aligns, you’ll receive a job offer and details about the next steps to join KOIA!

🏢 Summary: Mid/Senior Fullstack .NET Developer role on a long-term fintech project for the Scandinavian market, focused primarily on backend development with additional frontend and architectural responsibilities. The position involves working with a modern cloud-native, microservices-based platform using .NET, React, and AWS. Developers actively contribute to technical decisions, architecture, and product evolution in a collaborative environment. 🗂️ Requirements: 5+ years of experience as a .NET Developer, Strong proficiency in C#, Experience with TypeScript, Fullstack experience with React, NestJS, NextJS, Experience building Web APIs and backend services, Understanding of multithreading and parallelism, Experience with Entity Framework and/or Dapper, Experience with unit testing and mocking, Knowledge of microservices architecture, Knowledge of event-driven architecture, Experience with Git, Experience with CI/CD workflows, Experience with GitHub, Experience with SQL and NoSQL databases, Experience with PostgreSQL, MongoDB, Redis, Experience with .NET 6 or newer, Experience with AWS, English proficiency B2+/C1 📃 Skills: .NET, C#, TypeScript, React, NestJS, NextJS, Node.js, WebAPI, EntityFramework, Dapper, Microservices, Kafka, Git, GitHub, CI/CD, PostgreSQL, MongoDB, Redis, AWS, SQL, NoSQL, Playwright 🏢 Description: Join KOIA and work on a modern fintech platform built for the Scandinavian market. We are looking for a Mid/Senior Fullstack .NET Developer to join a long-term project for our Norwegian client. The role is backend-heavy (~65%), with additional involvement in architecture, technical analysis, and frontend development using React and TypeScript. You’ll work in a collaborative engineering environment where developers actively influence technical decisions, architecture, and product evolution. Project The application is built using modern technologies and cloud-native architecture. Frontend: React, TypeScript z NestJS, NextJS Backend: .NET and Node.js Infrastructure: AWS Architecture: Microservices, Event-driven architecture (Kafka) Testing: Unit tests, Integration/Process tests (test containers based), E2E Tests (Playwright) Databases: PostgreSQL, MongoDB, Redis Cloud: AWS CI/CD: GitHub Actions The team focuses strongly on: code quality, automated testing, maintainability, minimizing technical debt, continuous improvement. Regular technical and architectural discussions are part of the development process, and every team member is encouraged to propose ideas and improvements. Your Responsibilities: Collaborate on both the back-end and front-end development of applications. Assist clients in transforming their existing applications to a new tech stack. Work in a remote-first environment with an expectation to join the team from our Gdańsk office 2 days per week. Contribute to the success of cutting-edge technology projects. Maintain a client-focused approach and engage in frequent communication with clients. Pay attention to detail and ensure the quality of development work. Your qualifications: Must-have 5+ years of experience as a .NET Developer with TypeScript Excellent development skills in C# Fullstack experience with React, NestJS, NextJS Experience building Web APIs and backend services Good understanding of multithreading and parallelism Experience with Entity Framework and/or Dapper Experience with unit testing and mocking Good understanding of Microservice architecture, Event-driven architecture Git The entire CI/CD workflow from development to release GitHub SQL and noSQL databases (preferably with PostgreSQL, MongoDB, Redis) .NET 6 or newer AWS Very good English communication skills (B2+/C1) Experience using tools such as Claude, Copilot or Cursor in daily development Ability to leverage LLM-based tools for debugging, testing and development acceleration Actively experiments with modern AI-assisted development workflows Nice-to-have Experience with Node.js Knowledge of Domain-Driven Design (DDD) Experience with event-driven systems Fintech or product-company background Bachelor's degree in computer science or related studies What We Value Ownership and accountability Strong communication and collaboration skills Curiosity and a continuous learning mindset Proactive approach to problem-solving Attention to detail and code quality Openness to feedback and improvement Not being afraid to take the initiative to get work done while suggesting changes and improvements where needed. What We Offer Competitive Compensation 27-32 EUR/h + paid days off (B2B) An alternative higher-rate option is available without paid leave Remote-first culture with regular in-person collaboration. Impact & Autonomy You’ll have real influence on technical decisions, architecture, and product development. Learning & Growth Mentorship opportunities Self-development days Access to learning resources and tools Healthy Work Environment We value sustainable work, mature communication, and work-life balance over overtime culture. Office Space in Gdańsk Our office offers: adjustable desks, bike parking, fully stocked kitchen. Open space and smaller rooms Meaningful Projects You’ll work with innovative companies from the fintech and climate-tech sectors across Scandinavia. Recruitment Process At KOIA, we value a clear and efficient recruitment journey. Here’s what to expect: Email with Clarifying Questions After submitting your application, you’ll receive an email with a few additional questions to better understand your experience and skills. Video Call with HR A 1-hour conversation with our HR team to discuss your background, expectations, and company culture fit. Technical Video Call A technical discussion with our engineers focused on architecture, problem-solving, and real-world scenarios. You’ll walk through how you approach technical challenges, explain past decisions, and reason about solutions. No live coding. Offer If everything aligns, you’ll receive a job offer and details about the next steps to join KOIA!

🏢 Summary: Senior Full Stack Developer role focused on building and maintaining secure, scalable digital platforms using Java and Angular in an Agile environment. The position involves end-to-end development, system integration, code optimization, and ensuring high software quality for global mobility and fleet management solutions. The role requires close collaboration with cross-functional teams and stakeholders. 🗂️ Requirements: Minimum 5 years experience as Full Stack Java Developer with Angular, Strong proficiency in Java and Spring Framework, Solid experience with Angular (latest versions), Knowledge of software design principles and secure coding practices, Experience in API development, Familiarity with testing frameworks and CI/CD pipelines, Ability to create technical designs and conduct code reviews, Understanding of Agile methodologies, Fluent English (written and spoken), Fluent Polish, Residing in Poland, Availability to work from Warsaw office 2 days per week 📃 Skills: Java, Angular, Spring, REST, CICD, Testing, Agile 🏢 Description: We are looking for a Senior Full Stack Developer with strong expertise in Java and Angular to join our dynamic team. The project involves designing, developing, and maintaining cutting-edge digital platforms used globally by employees, clients, and drivers. Working in an Agile environment, the team partners closely with both corporate and local stakeholders to deliver innovative solutions that enhance connected vehicle services, fleet management, and self-service mobility experiences. Your tasks Developing backend and frontend components of the application Designing, developing, and maintaining high-quality, secure, and scalable software solutions Analysing business requirements and translating them into technical solutions Optimizing and refactoring existing codebases to improve stability, efficiency, and readability Supporting software integration and configuration activities Defining and executing testing strategies to ensure software reliability and quality before release Maintaining and updating technical documentation to reflect system changes and improvements Engaging in technical discussions and contributing to solution design Collaborating effectively with colleagues across different teams and locations Requirements At least 5 years of experience as a Full Stack Java Developer with Angular Strong skills in Java and Spring Framework for backend development Solid experience with Angular (latest versions preferred) for frontend development Strong knowledge of software design principles, secure coding practices, and API development Familiarity with testing frameworks and CI/CD pipelines Proficiency in creating technical designs, test cases, and conducting code reviews Good understanding of Agile methodologies Fluency in English, both written and spoken Openness to commuting to the office in Warsaw 2 days a week Fluent Polish required Residing in Poland required What we offer Great Place to Work since 2015 - it’s thanks to feedback from our workers that we get this special title and constantly implement new ideas Employment stability - revenue of PLN 2.1BN, no debts, since 2006 on the market We share the profit with Workers - over PLN 76M has already been allocated for this aim since 2022 Attractive benefits package - private healthcare, benefits cafeteria platform, car discounts and more Comfortable workplace – class A offices or remote work Dozens of fascinating projects for prestigious brands from all over the world PLN 1 000 000 per year for your ideas - with this amount, we support the passions and voluntary actions of our workers Investment in your growth – meetups, webinars, training platform and technology blog – you choose Fantastic atmosphere created by all Sii Power People If you want to work on systems with high operational significance — apply now!

🏢 Summary: Senior Full-stack Developer role focused on building Node.js microservices and REST APIs, contributing to Angular front ends, and modernizing legacy platforms into scalable AWS cloud-native solutions. The position owns the full delivery lifecycle, provides technical leadership and mentoring, and requires hybrid work from Gdansk or Krakow three days per week. 🗂️ Requirements: Bachelor’s degree in Computer Science, Engineering, or related field, 5+ years of professional software development experience, Leadership experience building production-grade systems, Expertise in Node.js, microservices, REST API design, and full-stack development, Angular development experience, Legacy-system modernization and target-state architecture design experience, Hands-on AWS cloud services experience, Relational and NoSQL database experience, Monitoring, observability, and automated testing experience, Agile delivery experience, Hybrid work from Gdansk or Krakow 3 days per week 📃 Skills: Node.js, Angular, Java, JavaScript, AWS, EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch, PostgreSQL, Splunk, Honeycomb, Playwright, DB2, REST, Microservices 🏢 Description: We're looking for a Senior Full-stack Developer (Node.js, Angular, Java, JavaScript) to join our team in Poland. The ideal candidate thrives on solving complex problems, modernizing legacy platforms, and delivering robust cloud-native solutions. In this role, you’ll be hands-on with the full technology stack—shaping architecture, leading development efforts, and partnering closely with cross-functional teams to drive strategic initiatives forward. If you are an engineer who enjoys both the technical and collaborative aspects of building software at scale, we’d love to meet you. Please note that hybrid work, 3 days from Gdansk or Krakow, is required. Responsibilities - Design, develop, and deploy backend services, microservices, and RESTful APIs—primarily in Node.js—with front-end contributions in Angular. - Modernize legacy systems by evaluating current-state architectures and defining target-state solutions that maximize performance, scalability, and maintainability. - Deliver high-quality software in an agile environment, partnering closely with product managers, architects, and other engineering teams. - Own the end-to-end development lifecycle: requirements gathering, solution design, coding, testing (including API and Playwright automation), deployment, and operational support. - Implement and manage AWS cloud services (e.g., EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch) to build resilient, observable, and secure solutions. - Promote best practices in coding standards, testing, monitoring (via Splunk, Honeycomb), and documentation. - Mentor and guide engineers, fostering a culture of technical excellence, ownership, and continuous improvement. - Engage directly with clients and stakeholders, translating broad, ambiguous business needs into concrete technical plans. Requirements - Bachelor's degree in Computer Science, Engineering, or related field; Master's degree strongly preferred. - 5+ years of professional software development experience, with demonstrated leadership in building production-grade systems. - Deep expertise in Node.js, microservices architecture, REST API design, and full-stack development (Angular contributing to ~20% of workload). - Proven success modernizing legacy systems, assessing current architectures, and defining target-state designs. - Hands-on experience with AWS cloud services (EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch, and related tools). - Experience with relational and NoSQL databases (DynamoDB, PostgreSQL); familiarity with DB2 is a plus. - Proficiency using modern monitoring and observability platforms (Splunk, Honeycomb) and automated testing frameworks (API testing tools, Playwright). - Strong command of agile methodologies and iterative delivery. Nice to have - Exposure to Java for DB2 integration and legacy system interfacing. - Experience leading cross-functional initiatives in large enterprise environments. - Familiarity with API management, security, and governance best practices. - Experience with Playwright. We offer - Top tech minds driving innovation in AI, cloud, and digital platform modernization. - Supportive team and agile, startup-like culture. - Hybrid-by-design mode and opportunity to work remotely within Poland. - Chance to work abroad for up to 60 days annually. - Business-driven relocation opportunities. - Career development programs. - Thought leadership, mentoring, soft skills, and well-being programs. - Certification (Anthropic, Gemini, GCP, Azure, AWS). - English classes. - Stable pay. - Participation in the Employee Stock Purchase Plan with a 15% discount. - Benefits package (health insurance, multisport, shopping vouchers). - Referral bonuses up to $2,000. - Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more. - Corporate, social, and well-being events. Please note: Benefits listed above are available to employees only. We are open for working with Contractors. Terms of B2B cooperation agreements are agreed individually. We will reach out to selected candidates exclusively.

🏢 Summary: Senior Full-stack Developer role focused on designing and modernizing cloud-native applications with Node.js and Angular. The position owns the full delivery lifecycle, including architecture, AWS implementation, automated testing, and operational support, while collaborating with clients and mentoring engineers. Hybrid work from Gdansk or Krakow three days per week is required. 🗂️ Requirements: Bachelor’s degree in Computer Science, Engineering, or related field, 5+ years of professional software development experience, Leadership experience building production-grade systems, Deep Node.js expertise, Microservices architecture experience, REST API design experience, Full-stack development experience with Angular, Legacy-system modernization and target-state architecture design experience, Hands-on AWS services experience, Relational and NoSQL database experience, Monitoring, observability, and automated testing experience, Agile delivery proficiency, Hybrid work from Gdansk or Krakow 3 days per week 📃 Skills: Node.js, Angular, Java, JavaScript, AWS, EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch, PostgreSQL, Splunk, Honeycomb, Playwright, DB2 🏢 Description: We're looking for a Senior Full-stack Developer (Node.js, Angular, Java, JavaScript) to join the team in Poland. The ideal candidate thrives on solving complex problems, modernizing legacy platforms, and delivering robust cloud-native solutions. In this role, you’ll be hands-on with the full technology stack—shaping architecture, leading development efforts, and partnering closely with cross-functional teams to drive strategic initiatives forward. Hybrid work, 3 days from Gdansk or Krakow, is required. Responsibilities • Design, develop, and deploy backend services, microservices, and RESTful APIs—primarily in Node.js—with front-end contributions in Angular. • Modernize legacy systems by evaluating current-state architectures and defining target-state solutions that maximize performance, scalability, and maintainability. • Deliver high-quality software in an agile environment, partnering closely with product managers, architects, and other engineering teams. • Own the end-to-end development lifecycle: requirements gathering, solution design, coding, testing (including API and Playwright automation), deployment, and operational support. • Implement and manage AWS cloud services (e.g., EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch) to build resilient, observable, and secure solutions. • Promote best practices in coding standards, testing, monitoring (via Splunk, Honeycomb), and documentation. • Mentor and guide engineers, fostering a culture of technical excellence, ownership, and continuous improvement. • Engage directly with clients and stakeholders, translating broad, ambiguous business needs into concrete technical plans. Requirements • Bachelor's degree in Computer Science, Engineering, or related field; Master's degree strongly preferred. • 5+ years of professional software development experience, with demonstrated leadership in building production-grade systems. • Deep expertise in Node.js, microservices architecture, REST API design, and full-stack development (Angular contributing to ~20% of workload). • Proven success modernizing legacy systems, assessing current architectures, and defining target-state designs. • Hands-on experience with AWS cloud services (EC2, S3, Lambda, Kinesis, Firehose, DynamoDB, EKS, CloudWatch, and related tools). • Experience with relational and NoSQL databases (DynamoDB, PostgreSQL); familiarity with DB2 is a plus. • Proficiency using modern monitoring and observability platforms (Splunk, Honeycomb) and automated testing frameworks (API testing tools, Playwright). • Strong command of agile methodologies and iterative delivery. Nice to have • Exposure to Java for DB2 integration and legacy system interfacing. • Experience leading cross-functional initiatives in large enterprise environments. • Familiarity with API management, security, and governance best practices. • Experience with Playwright. We offer • Hybrid-by-design mode and opportunity to work remotely within Poland. • Chance to work abroad for up to 60 days annually. • Business-driven relocation opportunities. • Career development programs. • Thought leadership, mentoring, soft skills, and well-being programs. • Certification opportunities: Anthropic, Gemini, GCP, Azure, AWS. • English classes. • Stable pay. • Participation in the Employee Stock Purchase Plan with a 15% discount. • Benefits package: health insurance, multisport, and shopping vouchers. • Referral bonuses up to $2,000. • Offices featuring entertainment and relaxation zones, table tennis and football, free snacks, coffee, and more. • Corporate, social, and well-being events. Benefits listed above are available to employees only. Contractors are welcome; terms of B2B cooperation agreements are agreed individually. Only selected candidates will be contacted.

🏢 Summary: The offer is for a Senior FullStack Developer (Java & Angular) to design and develop scalable credit and banking applications within an international banking environment. The role focuses on building and maintaining microservices-based systems using modern Java and Angular technologies in a hybrid work model. You will contribute to full lifecycle development, code quality, and cross-location collaboration in a global setup. 🗂️ Requirements: Minimum 4 years experience as FullStack Developer, Angular 8+ experience (preferably 14), Strong Java 11+ experience (project on Java 17), Experience with Spring Boot, Spring Batch, Spring Security, Experience with RESTful microservices, Experience with Hibernate and JUnit, Experience with SQL and PL/SQL, Experience with Oracle databases, Knowledge of HTML, CSS, TypeScript, JavaScript, Experience with Jenkins and CI/CD, Understanding of Agile methodologies, Fluent English, Legal right to work in EU 📃 Skills: Java, Angular, TypeScript, JavaScript, HTML, CSS, Spring, SpringBoot, SpringBatch, SpringSecurity, Hibernate, JUnit, REST, Microservices, SQL, PLSQL, Oracle, Jenkins, CI/CD, JSON, XML 🏢 Description: Unleash innovation at the intersection of finance and technology — shape the future of international banking! Warsaw or Krakow-based opportunity with a hybrid work model, offering 4 remote days per week. As a Senior FullStack Developer – Java & Angular , you will be working for our client, a leading European bank that operates across 72 countries and is driving a cutting-edge tech revolution. Join a new, state-of-the-art hub dedicated to developing critical banking systems for global organizations, pushing the boundaries of financial technology and innovation. Your main responsibilities: Develop and design highly scalable credit applications to support international banking operations Analyze user requirements, develop specifications, and design, code, test, and implement systems aligned with group standards and regulatory requirements Handle development and design projects with proactive estimation, planning, and status reporting to management across locations in Paris/India and ISPL Follow best practices and quality processes for software development Work independently on assigned tasks, with potential mentoring of team members on technical and functional topics Contribute to code reviews and ensure the ongoing maintenance and refactoring of applications Ensure seamless application maintenance and continuous improvement of code quality You're ideal for this role if you have: At least 4 years of experience as a FullStack Developer Proven expertise in Angular 8+ (preferably Angular 14), JSON, XML, TypeScript, JavaScript, HTML, CSS (minimum 2-3 years) Strong background in Java 11+ (project currently runs on Java 17), JDK 8+, Hibernate, JUnit, Spring Framework (Boot, Batch, Security), and RESTful microservices (minimum 2-3 years) Experience working with SQL and PL/SQL, Oracle databases Good understanding of Agile methodologies, web services, APIs, and micro-services architecture Knowledge of DevOps principles & tools such as Jenkins for CI/CD pipelines Excellent communication skills with a high level of soft skills Fluent English proficiency It is a strong plus if you have: Banking or financial industry experience and domain knowledge Language required for the role: Fluent English Eligibility to work on this role: Only candidates with an existing legal right to work in the European Union will be considered for this role. #MAKEYourCareerBETTER Interested? Apply now and include your CV in English or Polish, along with a statement confirming your consent to the processing and storage of your personal data.

🏢 Summary: Senior Fullstack Developer role focused on building data-intensive applications in a regulatory and financial compliance environment. The position involves end-to-end feature ownership across Angular and Java in a cloud-native, containerized setup with CI/CD practices. Fully remote B2B contract with high emphasis on reliability, data integrity, and collaboration. 🗂️ Requirements: 5+ years of commercial fullstack development experience, Senior-level experience with Java and Spring/Spring Boot, Senior-level experience with Angular (v22), Strong knowledge of TypeScript, RxJS, Signals, KendoUI, Experience designing and integrating REST APIs, Experience with SQL databases, Experience working with containers in production, Experience with Kubernetes and Helm, Ability to work in CI/CD-driven environments, Professional English communication skills 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, RxJS, Signals, KendoUI, REST, SQL, Kubernetes, Helm, Docker, CI/CD, GitLab, OpenShift 🏢 Description: We are expanding a team to build data-intensive applications for a client in the regulatory and financial compliance space. As a Senior Fullstack Developer , you will own features end to end - from Angular front end to Java back end - in a modern, cloud-native environment where reliability and data integrity matter. You will join an interactive, collaborative team, so we are looking for someone who communicates clearly, contributes to technical decisions, and works well across disciplines. In Short 🌎 100% REMOTELY or from one of our 2 offices 💰 135 - 170 pln/h ☑️ B2B contract Your Daily Missions Design, build and maintain fullstack features across an Angular front end and a Java back end. Develop and integrate REST APIs and services that handle large volumes of data reliably. Collaborate closely with product, QA and DevOps to deliver production-ready, well-tested code. Contribute to architecture and code-quality decisions, and help raise the engineering bar. Work within a containerised, CI/CD-driven delivery workflow. The Essentials We’re Seeking 5+ years of experience . Strong commercial experience as a fullstack developer (senior level). Solid Java back-end skills (Spring / Spring Boot or similar). Solid Angular front-end skills (v22) (TypeScript, RxJS, Signals, KendoUI). Good understanding of REST APIs, SQL databases and data-handling best practices. Familiarity with containers and Kubernetes and Helm Chart in a production context. Clear, collaborative communication in English. Nice to have Experience in regulated, compliance-heavy or data-platform environments. Exposure to CI/CD pipelines GitLab and cloud platforms. Experience with OpenShift. Experience integrating AI services or agents into applications or workflows. Experience with integrating 3rd party services. 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: https://www.cshark.com/projects/ . 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/ .

🏢 Summary: Senior Full Stack Developer role focused on modernizing a large-scale corporate banking platform through legacy transformation into a modern API-driven and microservices-based architecture. The position involves backend development with Java and Spring, frontend work with Angular, enterprise integrations, and collaboration within an international Agile team. The offer includes a long-term high-impact project with complex engineering challenges and modern architecture practices. 🗂️ Requirements: Professional experience with Java, Commercial experience with Angular, Experience with Spring Framework, Experience with Spring Boot, Experience with Hibernate, Experience designing REST APIs, Knowledge of Microservices Architecture, Good SQL knowledge, Experience with Jasmine, Familiarity with Git, English communication skills, Experience working in Agile environments 📃 Skills: Java, Angular, Spring, SpringBoot, Hibernate, REST, Microservices, SQL, Jasmine, Git, JUnit, Cucumber, WebFlux, Reactor, DDD 🏢 Description: Join a long-term digital transformation project! We are looking for an experienced Senior Full Stack Developer to join an international team working on the modernization of a large-scale corporate banking platform. This is an excellent opportunity to contribute to the transformation of a legacy system into a modern, API-driven architecture while collaborating with highly skilled professionals in an Agile environment. Location Hybrid model (3 days per week in the office) Office locations: Warsaw (preferred) Gdańsk Gdynia Your responsibilities Design, develop, and maintain REST APIs using Java and Spring Build and enhance backend services based on microservices and monolithic architecture Participate in a large-scale legacy modernization initiative Develop integrations between multiple enterprise systems Contribute to frontend development using Angular Write and maintain unit tests (JUnit & Jasmine) Support BDD testing using Cucumber Perform code reviews and ensure high code quality Work with SQL databases, including query optimization and schema design Collaborate closely with developers, architects, business stakeholders, and QA teams Participate in Agile ceremonies (SAFe framework) Prepare technical documentation for APIs and solutions Required skills Strong commercial experience with Java Experience with Angular Hands-on knowledge of Spring Framework / Spring Boot / Hibernate Experience designing and developing REST APIs Solid understanding of Microservices Architecture Good knowledge of SQL Experience with Jasmine Familiarity with Git Nice to have Experience with Reactive Programming (WebFlux, Project Reactor) Knowledge of Domain-Driven Design (DDD) Experience with Hexagonal (Ports & Adapters) Architecture Experience with Cucumber / BDD Knowledge of SOLID principles and design patterns What you'll work on Modernizing a mission-critical enterprise platform Building modern APIs for corporate banking services Refactoring business logic from a monolithic application into microservices Working in an international team using English as the primary communication language Delivering solutions within a SAFe Agile environment What we offer Long-term project with high business impact Opportunity to work on large-scale system modernization rather than pure maintenance Challenging technical environment focused on modern architecture and best engineering practices International, collaborative team Professional growth through complex engineering challenges Requirements Professional experience developing enterprise applications with Java Experience working with Angular in commercial projects Strong communication skills in English Ability to work effectively in an Agile environment

🏢 Summary: Senior Fullstack Developer role in a multinational Scrum team building and maintaining checkout solutions for auto manufacturers within a large Nordic banking environment. The position involves developing new features, maintaining existing services, and contributing to testing and DevOps processes in a distributed, microservices-based setup. 🗂️ Requirements: 3+ years experience with React or Angular, 4+ years experience with C#, Experience with .NET Core and ASP.NET Core, Experience with CI/CD and DevOps processes, Knowledge of SOLID principles and clean architecture, Experience with REST or SOAP services, Experience with RDBMS (MS SQL Server, PostgreSQL, or MySQL), Experience with Git version control, Understanding of microservices and distributed systems, Knowledge of security best practices, Intermediate high English proficiency 📃 Skills: React, Angular, C#, .NET, ASP.NET, REST, SOAP, SQL, MS SQL, PostgreSQL, MySQL, Git, CI/CD, Microservices, Azure, AWS, YAML, Octopus, SonarQube, ServiceFabric, WCF, WebApi, AzureServiceBus, NServiceBus, IIS 🏢 Description: Founded in 1993, Itera is one of the most experienced technology companies in the Nordics. At Itera we share a commitment to make a positive difference by applying our expertise to projects that really matter and have a positive impact on people’s lives. We are looking for an engaged, curious, and collaborative Senior Fullstack Developer who wants to take part in the engineering team of one of our customers - a large Nordic bank that is part of one of Europe’s biggest financial groups, offering a wide range of financial services. In this role, you will be part of a multi-national Scrum team that develops checkout solutions for auto manufacturers, with support for multiple countries. Daily communication with colleagues as well as with other developers and business partners and occasional business trips will be an essential part of the working process. Tasks and responsibilities: Development of new features and services according to specifications and extending current functionalities Participate in existing operations and maintain the services Perform unit testing and contribute in other testing Maintain contact with relevant stakeholders Professional requirements: 3+ years of experience with React or Angular 4+ years of experience with C#, preferably with .NET Core and ASP.NET Core Experience with DevOps Process and CI/CD Familiarity with SOLID principles, clean architecture Experience with REST or SOAP Experience with any of RDBMS - MS SQL Server, PostgreSQL, MySQL Version Control experience (GIT, etc) Interest, experience in microservices, distributed systems, security best practices Proactive and quality focused English: intermediate high, both verbal and written Be a plus: Experience in banking software Experience with: WCF service development, WebApi and ServiceFabric service development, IIS configuration Queue messaging: AzureServiceBus, NServiceBus Experience with Azure DevOps, GitHub, AWS, YAML, Octopus deployments, Mend.io , SonarQube, unit/integration tests support, technical documentation routines We offer to you: At Itera you’ll enjoy a Unique Nordic Culture, which is a core of our DNA, business approach and values. The company culture revolves around this concept creating multiple opportunities for the self-development of our people — both professionally and personally. Strong work and life balance, and flexibility The ability to focus on your work with minimum bureaucracy and micromanagement Competitive compensation Hybrid Mode, combining opportunities of work from the office and from home Opportunity to grow and develop as professional Transparent career development and planned individual career path

🏢 Summary: Senior Full Stack Java Developer role focused on building secure, scalable enterprise applications in the fintech and payments domain. The position covers full-stack development, AI-assisted engineering, and CI/CD automation within a modern microservices architecture. The role involves end-to-end delivery from design to deployment in a hybrid work model. 🗂️ Requirements: 5+ years commercial experience with Java, Strong expertise in SpringBoot, Strong expertise in SpringSecurity, Strong expertise in Hibernate and JPA, Experience building REST APIs, Experience with microservices and distributed systems, Solid knowledge of HTML5 CSS3 JavaScript, Hands-on experience with React Angular or Vue, Experience with Jenkins pipelines, Experience with Docker and Kubernetes, Experience with MySQL PostgreSQL or Oracle, Knowledge of software architecture and design patterns, Experience working in Agile Scrum, Understanding of cryptography encryption digital signatures and key management, Experience writing unit and integration tests using JUnit and Mockito 📃 Skills: Java, SpringBoot, SpringSecurity, Hibernate, JPA, REST, Microservices, HTML5, CSS3, JavaScript, React, Angular, Vue, Jenkins, Docker, Kubernetes, MySQL, PostgreSQL, Oracle, JUnit, Mockito, CICD, Agile, Scrum, Cryptography, Encryption, DigitalSignatures, KeyManagement, DesignPatterns 🏢 Description: 🚀 Senior Full Stack Java Developer 📍 Hybrid | 1 day from the office in Gdańsk or Warsaw Are you an experienced Full Stack Developer passionate about building secure, scalable applications and leveraging the latest AI-powered development tools? Join our team and help shape innovative solutions within the payments and fintech space. We're looking for a Senior Software Engineer who combines strong Java expertise with a modern engineering mindset and enthusiasm for Agentic AI technologies such as GitHub Copilot, ChatGPT, Claude, and Cline. 💡 Your Mission As a Senior Full Stack Java Developer, you will: 🔧 Development & Engineering Design, develop, and maintain enterprise-grade full-stack applications. Build scalable backend services using Java, Spring Boot, and Spring Security. Develop modern, responsive user interfaces using React, Angular, or Vue.js. Optimize database interactions using Hibernate/JPA. Design and implement secure solutions for handling sensitive financial data. Participate in the full software development lifecycle—from concept to deployment. 🤖 AI-Powered Development Utilize Agentic AI tools to accelerate development and improve code quality. Apply AI solutions for coding, testing, documentation, and troubleshooting. Explore and adopt emerging AI technologies to enhance engineering efficiency. Share AI best practices and drive innovation within the team. ⚙️ CI/CD & DevOps Build and maintain Jenkins CI/CD pipelines. Automate testing, deployment, and release processes. Improve development workflows and delivery speed. ✅ Quality & Testing Create and maintain unit and integration tests using JUnit and Mockito. Participate in code reviews and quality assurance initiatives. Debug and solve complex technical challenges. 🤝 Collaboration Work closely with Product Managers, QA Engineers, Designers, and fellow Developers. Participate in Agile/Scrum ceremonies. Contribute to technical documentation and knowledge sharing. 🎯 Must-Have Skills Backend ✔️ 5+ years of commercial Java development experience ✔️ Strong expertise in: Java Spring Boot Spring Security Hibernate/JPA ✔️ Experience building RESTful APIs ✔️ Experience with microservices and distributed systems Frontend ✔️ Solid knowledge of: HTML5 CSS3 JavaScript ✔️ Hands-on experience with: React Angular Vue.js DevOps & Infrastructure ✔️ Jenkins CI/CD ✔️ Docker & Kubernetes ✔️ MySQL, PostgreSQL, or Oracle Engineering Practices ✔️ Software architecture and design patterns ✔️ Agile/Scrum methodologies ✔️ Understanding of cryptography, encryption, digital signatures, and key management ⭐ Nice to Have Experience with AWS, Azure, or GCP Android or iOS development experience Open-source contributions Technical blogging or community involvement 💳 FinTech & Payments Experience 2+ years in fintech, payments, or financial services will be great (nice to have) Knowledge of ISO 8583, EMV, and PCI DSS Experience with HSMs and key management systems Familiarity with tokenization and real-time payment systems Understanding of financial compliance and regulations 🎁 What You'll Get ✨ Opportunity to work on innovative fintech products ✨ Exposure to cutting-edge AI-powered development practices ✨ Hybrid work model (Gdańsk or Warsaw) ✨ Collaborative and supportive engineering culture ✨ Influence on architecture and technical decisions ✨ Continuous learning and professional growth opportunities 🚀 Ready to build the future of fintech with AI-enhanced engineering? Apply now and join a team where modern technology, innovation, and engineering excellence come together.