Senior Full-Stack Developer (Java and Angular)

🏢 Summary: Senior Full-Stack Developer role focused on architecting, designing, and delivering high-performance Java-based solutions for a scalable analytical platform. The position involves building core components, improving performance and non-functional aspects, and supporting back-end engineering initiatives. The role requires hands-on development across both back-end and front-end technologies. 🗂️ Requirements: 7+ years of professional software development experience, Fluency in Java and Spring, Strong knowledge of SQL and SQL databases, Experience with TypeScript and Angular, Experience building RESTful web services, Familiarity with Redis, Familiarity with ActiveMQ Artemis (JMS), Experience with Docker 📃 Skills: Java, Spring, SQL, TypeScript, Angular, Redis, ActiveMQ, Artemis, Docker, REST, JMS 🏢 Description: DataWalk is a high-tech software product company that brings the next level of technology to the world through a patent-based hybrid graph analytical platform. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism or organized crime. If you are interested in making the world a safer place and leverage a unique business opportunity, please read further. We are looking for an experienced Senior Full-Stack Developer to join our Product Engineering teams. The position will play a significant role in architecting, designing, developing, and delivering high-performance Java-based software solutions that underpin our platform's stability, scalability, and efficiency. Responsibilities: Design and implement core components of the DataWalk platform. Identify, recommend, design and implement non-functional and performance improvements. Evaluate new technologies and their application to the business. Work with team members to conduct root cause analysis of issues, review code and/or design proper testing mechanisms. Support back-end engineering efficiency initiatives. Requirements: 7+ years of professional experience, preferably in a product-focused company. Fluency in Java, Spring, and SQL. Experience with TypeScript and Angular. Strong knowledge of SQL databases (preferably columnar databases) and experience with RESTful web services. Familiarity with Redis, ActiveMQ Artemis (JMS), and Docker. B2 English proficiency (for effective communication). Demonstrated high level of ownership and initiative (high agency). Ability to manage multiple priorities in a fast-paced environment. Excellent communication and collaboration skills. Nice to have: Kubernetes and Kubernetes API. Knowledge of/experience in graph analytics. Experience in the area of back-end performance measurement, analysis and improvements. We offer: Work in a high tech company with Polish-American work culture and an excellent development perspective. Work on a product based on a unique technology. Growth opportunities in a passionate team of professionals. Challenging and inspiring environment. Friendly atmosphere and attractive package of benefits (private healthcare, life insurance, multisport cards, training).

🏢 Summary: Experienced Product Architect role focused on enterprise-scale graph analytics platforms, driving technical vision, architecture consistency, scalability, and cross-functional implementations. The position combines strategic leadership, hands-on development, performance optimization, deployment validation, and customer-facing technical support in a big data environment. 🗂️ Requirements: 8+ years of experience in enterprise system architecture, performance, and scalability, Experience leading complex cross-functional implementations, Strong analytical and graph theory problem-solving skills, Strong algorithmic thinking and coding ability, Experience troubleshooting system performance and scalability issues, Experience processing very large data volumes, Backend development experience in Java, Ability to design and document technical solutions, Fluent communication skills in Polish and English 📃 Skills: Java, Graph, Algorithms, Architecture, Scalability, Performance, Backend, BigData, Vertica, Analytics, Modeling, AI 🏢 Description: DataWalk is a high-tech software product company that brings the next level of technology to the world through a patent-based hybrid graph analytical platform. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism or organized crime. If you are interested in making the world a safer place and leverage a unique business opportunity, please read further. We are looking for an experienced Product Architect to join our Product Engineering Team. The Product Architect is a critical role responsible for ensuring product consistency, technical vision realization, and architectural integrity across various functional areas. This role combines strategic technical leadership, consultancy for internal departments and customers, hands-on involvement in implementation and deployments, directly impacting system performance and scalability. Responsibilities: Cross-functional area Leadership Work closely with the Technical Architects to ensure cross-product features collaborate effectively with functional area specific features and constraints. Act as the Product consistency gatekeeper, primarily through Refinement Review and Consultancy. Lead cross-functional area Initiatives, including complex features and support tickets. Product Technical Vision and Performance Co-create the overall product technical vision and validate its implementation. Ensure that the architecture supports optimal scalability and performance. Deployment, System Performance, and Modeling Collect Platform/System non-functional requirements and feedback. Validate architecture decisions and deployment models through active involvement in product deployments. Engage in Firefighting to gain a "first-hand" perspective of system performance. Responsible for Hardware Sizing Creation and review for customer use cases. Actively promote and champion modeling patterns across teams. Product Implementation and Quality Participate directly in product implementation. Lead the technical kickoff of led features. Perform code review of critical elements. Sales Support Participate in sales processes. Requirements: Over 8 years of experience in enterprise-class system architecture, performance, and scalability. Capability of steering product technical vision and driving complex, cross-functional implementations. Analytical skills and the application of graph theory in problem-solving. Strong Algorithmic Thinking with ability to code. Customer Focus and Product-Driven mindset (experience outside of a typical software house environment is beneficial). Expertise in troubleshooting, starting from model verification and analysis of impact on system performance. Performance bottlenecks identification. Experience with big data volume processing (100bln+ records). Proficiency in Backend Coding, preferably in Java. Daily AI augmentation. Solution design and documentation. Excellent communication skills in Polish and English, with the ability to convey complex technical ideas clearly. Nice to have: Deep knowledge of Vertica (OpenText Analytics Database) or other analytics databases is a strong advantage. We offer: Direct impact on the global expansion of the fast growing investigative analytics company with global ambitions. A competitive compensation and access to professional development tools. Growth opportunities in a dedicated and passionate team of professionals. A challenging and inspiring environment. Work remotely in a flexible, independent work environment.

🏢 Summary: Senior Product Architect role focused on shaping and enforcing the technical vision, architecture consistency, and scalability of a hybrid graph analytics platform used for large-scale data processing. The position combines strategic cross-functional leadership with hands-on coding, performance optimization, and deployment validation. It directly impacts system performance, big data processing capabilities, and product quality in complex enterprise environments. 🗂️ Requirements: 8+ years in enterprise system architecture, performance and scalability, Experience driving technical vision and cross-functional implementations, Strong analytical skills and application of graph theory, Strong algorithmic thinking and coding ability, Experience with big data processing (100bln+ records), Backend development experience in Java, Expertise in troubleshooting and performance bottleneck identification, Experience in solution design and technical documentation, Fluency in Polish and English 📃 Skills: Java, Graph, Algorithms, BigData, Architecture, Scalability, Performance, Backend, Vertica, Databases, AI 🏢 Description: DataWalk is a high-tech software product company that brings the next level of technology to the world through a patent-based hybrid graph analytical platform. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism or organized crime. If you are interested in making the world a safer place and leverage a unique business opportunity, please read further. We are looking for an experienced Product Architect to join our Product Engineering Team. The Product Architect is a critical role responsible for ensuring product consistency, technical vision realization, and architectural integrity across various functional areas. This role combines strategic technical leadership, consultancy for internal departments and customers, hands-on involvement in implementation and deployments, directly impacting system performance and scalability. Responsibilities: Cross-functional area Leadership Work closely with the Technical Architects to ensure cross-product features collaborate effectively with functional area specific features and constraints. Act as the Product consistency gatekeeper, primarily through Refinement Review and Consultancy. Lead cross-functional area Initiatives, including complex features and support tickets. Product Technical Vision and Performance Co-create the overall product technical vision and validate its implementation. Ensure that the architecture supports optimal scalability and performance. Deployment, System Performance, and Modeling Collect Platform/System non-functional requirements and feedback. Validate architecture decisions and deployment models through active involvement in product deployments. Engage in Firefighting to gain a "first-hand" perspective of system performance. Responsible for Hardware Sizing Creation and review for customer use cases. Actively promote and champion modeling patterns across teams. Product Implementation and Quality Participate directly in product implementation. Lead the technical kickoff of led features. Perform code review of critical elements. Sales Support Participate in sales processes. Requirements: Over 8 years of experience in enterprise-class system architecture, performance, and scalability. Capability of steering product technical vision and driving complex, cross-functional implementations. Analytical skills and the application of graph theory in problem-solving. Strong Algorithmic Thinking with ability to code. Customer Focus and Product-Driven mindset (experience outside of a typical software house environment is beneficial). Expertise in troubleshooting, starting from model verification and analysis of impact on system performance. Performance bottlenecks identification. Experience with big data volume processing (100bln+ records). Proficiency in Backend Coding, preferably in Java. Daily AI augmentation. Solution design and documentation. Excellent communication skills in Polish and English, with the ability to convey complex technical ideas clearly. Nice to have: Deep knowledge of Vertica (OpenText Analytics Database) or other analytics databases is a strong advantage. We offer: Direct impact on the global expansion of the fast growing investigative analytics company with global ambitions. A competitive compensation and access to professional development tools. Growth opportunities in a dedicated and passionate team of professionals. A challenging and inspiring environment. Work remotely in a flexible, independent work environment.

🏢 Summary: Senior Performance Test Engineer role focused on ensuring high performance and scalability of a BigData analytical platform processing terabyte-to-petabyte scale data. The position involves designing complex performance test scenarios, optimizing infrastructure and application layers, and managing Kubernetes-based test environments. You will also develop CI/CD pipelines and drive AI-assisted, proactive performance engineering practices. 🗂️ Requirements: 5+ years of performance engineering experience, Experience designing complex performance test scenarios, Hands-on experience with JMeter, Locust or k6, Experience building and maintaining CI/CD pipelines, Proficiency in Python scripting, Experience with Kubernetes administration and debugging, Experience with observability tools, Experience with BigData workloads, Experience using AI tools for automation, Polish (native), English (proficient) 📃 Skills: JMeter, Locust, k6, Jenkins, Groovy, Python, Kubernetes, OKE, EKS, CI/CD, BigData, AI, Monitoring, Logging, Tracing 🏢 Description: DataWalk is a high-tech software product company that brings the next level of technology to the world through a patent-based hybrid graph analytical platform. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism or organized crime. If you are interested in making the world a safer place and leverage a unique business opportunity, please read further. We are looking for an experienced Senior Performance Test Engineer to join our Product Engineering Team. As a Senior Performance Test Engineer at DataWalk, you will be ensuring our platform delivers optimal performance at massive scale for top Fortune500 companies and other major organizations processing hundreds of billions of objects and terabytes to petabytes of data. This role demands extraordinary analytical and technical expertise to proactively discover optimal system configurations, design and maintain complex performance test scenarios, tune infrastructure and application layers, and manage test environments on Kubernetes. You will maintain CI/CD pipelines powering our performance testing process and drive the adoption of AI-assisted scripting practices to elevate our testing productivity. We foster a culture of continuous growth, encouraging you to explore and implement new tools and practices, shifting the team's focus from reactive test execution to proactive performance optimization across the entire product. This is a chance to be a part of a company that's challenging the status quo in data analysis, offering a demanding but stimulating and rewarding environment for passionate performance engineering professionals. Responsibilities: Design, develop, and maintain complex performance test scenarios for a BigData platform processing hundreds of billions of objects at terabyte-to-petabyte scale. Analyze test results, identify bottlenecks, and recommend tuning strategies for infrastructure and application layers. Develop and maintain CI/CD pipelines for performance testing (Jenkins, Groovy). Drive performance enablement across the entire Product Engineering. Manage test environments on Kubernetes clusters (OKE, EKS). Document findings, provide recommendations, and communicate results to stakeholders. Requirements: Have 5+ years of experience in performance engineering (preferably in a product company). Have hands-on experience designing and maintaining complex performance test scenarios using tools such as JMeter, Locust, k6. Have experience building and maintaining CI/CD pipelines (Jenkins, Groovy). Are proficient in Python for performance test scripting. Have practical experience in utilizing AI tools to automate and accelerate your work. Have practical experience with Kubernetes (debugging, resource management). Have experience with observability tools (monitoring, logging, tracing). Worked with BigData workloads. Have strong analytical skills, ability to work independently, take initiative, and drive improvements proactively. Native in Polish, and proficient in English. We offer: Direct impact on the global expansion of the fast growing investigative analytics company with global ambitions. A competitive salary and an attractive package of benefits (private healthcare, life insurance, multisport cards, training). Growth opportunities in a dedicated and passionate team of professionals. A challenging and inspiring environment. Work remotely in a flexible, independent work environment.

🏢 Summary: Senior Performance Test Engineer role focused on designing and optimizing performance testing for a large-scale BigData analytics platform processing terabytes to petabytes of data. The position involves building complex test scenarios, managing Kubernetes-based environments, maintaining CI/CD pipelines, and driving proactive performance optimization practices. The offer includes remote work, growth opportunities, and benefits in a challenging engineering environment. 🗂️ Requirements: 5+ years of performance engineering experience, Experience with JMeter, Experience with Locust, Experience with k6, Experience building CI/CD pipelines, Proficiency in Python, Experience with AI automation tools, Experience with Kubernetes, Experience with observability tools, Experience with BigData workloads, Polish language proficiency, English language proficiency 📃 Skills: Python, JMeter, Locust, k6, Jenkins, Groovy, Kubernetes, OKE, EKS, BigData 🏢 Description: DataWalk is a high-tech software product company that brings the next level of technology to the world through a patent-based hybrid graph analytical platform. Our system is used by US Departments, Intelligence Agencies, and top Fortune500 companies to combat money laundering, fraud, human trafficking, terrorism or organized crime. If you are interested in making the world a safer place and leverage a unique business opportunity, please read further. We are looking for an experienced Senior Performance Test Engineer to join our Product Engineering Team. As a Senior Performance Test Engineer at DataWalk, you will be ensuring our platform delivers optimal performance at massive scale for top Fortune500 companies and other major organizations processing hundreds of billions of objects and terabytes to petabytes of data. This role demands extraordinary analytical and technical expertise to proactively discover optimal system configurations, design and maintain complex performance test scenarios, tune infrastructure and application layers, and manage test environments on Kubernetes. You will maintain CI/CD pipelines powering our performance testing process and drive the adoption of AI-assisted scripting practices to elevate our testing productivity. We foster a culture of continuous growth, encouraging you to explore and implement new tools and practices, shifting the team's focus from reactive test execution to proactive performance optimization across the entire product. This is a chance to be a part of a company that's challenging the status quo in data analysis, offering a demanding but stimulating and rewarding environment for passionate performance engineering professionals. Responsibilities: Design, develop, and maintain complex performance test scenarios for a BigData platform processing hundreds of billions of objects at terabyte-to-petabyte scale. Analyze test results, identify bottlenecks, and recommend tuning strategies for infrastructure and application layers. Develop and maintain CI/CD pipelines for performance testing (Jenkins, Groovy). Drive performance enablement across the entire Product Engineering. Manage test environments on Kubernetes clusters (OKE, EKS). Document findings, provide recommendations, and communicate results to stakeholders. Requirements: Have 5+ years of experience in performance engineering (preferably in a product company). Have hands-on experience designing and maintaining complex performance test scenarios using tools such as JMeter, Locust, k6. Have experience building and maintaining CI/CD pipelines (Jenkins, Groovy). Are proficient in Python for performance test scripting. Have practical experience in utilizing AI tools to automate and accelerate your work. Have practical experience with Kubernetes (debugging, resource management). Have experience with observability tools (monitoring, logging, tracing). Worked with BigData workloads. Have strong analytical skills, ability to work independently, take initiative, and drive improvements proactively. Native in Polish, and proficient in English. We offer: Direct impact on the global expansion of the fast growing investigative analytics company with global ambitions. A competitive salary and an attractive package of benefits (private healthcare, life insurance, multisport cards, training). Growth opportunities in a dedicated and passionate team of professionals. A challenging and inspiring environment. Work remotely in a flexible, independent work environment.

🏢 Summary: Senior Full Stack Developer role focused on building and maintaining scalable digital platforms using Java and Angular in an Agile environment. The position involves backend and frontend development, software design, testing, integration, and collaboration with international teams to support connected vehicle and mobility services. Hybrid work in Warsaw is required. 🗂️ Requirements: 5+ years of experience as a Full Stack Java Developer, Strong knowledge of Java, Experience with Spring Framework, Experience with Angular, Knowledge of software design principles, Knowledge of secure coding practices, Experience with API development, Familiarity with testing frameworks, Familiarity with CI/CD pipelines, Experience creating technical designs, Experience conducting code reviews, Understanding of Agile methodologies, Fluent English, Fluent Polish, Residing in Poland, Availability to work from the Warsaw office 2 days per week 📃 Skills: Java, Angular, Spring, API, CI/CD, 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

🏢 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 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: Full-stack Java developer role in the financial sector focused on building scalable microservices and modern frontend applications in an Agile environment. The position involves backend and frontend development using Java, Angular, cloud-native technologies, and distributed systems integrations. Hybrid work model with a long-term international project and competitive B2B rate. 🗂️ Requirements: 5+ years of commercial Java development experience, 2+ years of Angular experience, Knowledge of Spring Framework, Experience with microservices architecture, Experience with Docker, Experience with Kubernetes, Experience with Kafka and distributed systems, Knowledge of REST APIs, Knowledge of SQL, Experience with Oracle databases, Experience with Git, Understanding of Clean Code principles, Understanding of Continuous Integration, Experience integrating REST and SOAP services, Knowledge of XML, Knowledge of JSON, Knowledge of Avro, English level B2 or higher 📃 Skills: Java, Angular, React, Spring, Docker, Kubernetes, Kafka, REST, SQL, Oracle, Git, SOAP, XML, JSON, Avro, Jenkins, ArgoCD 🏢 Description: Senior Java Full-stack Developer 📍 Location: Warsaw, Gdańsk or Gdynia 🏢 Work model: Hybrid (3 days per week in the office) 📅 Project duration: August 2026 – January 2027 💰 B2B rate: up to 157 PLN/h ⏰ Full-time (40h/week) About the project Join an international financial institution and become part of a team responsible for building modern, scalable solutions supporting one of the company's key business domains. You will work in an Agile environment, developing cloud-ready microservices and integrating modern applications with existing enterprise platforms. This role combines backend and frontend development while giving you the opportunity to work with modern technologies, distributed systems, and high-performance applications. Your responsibilities Design, develop and maintain full-stack applications. Build and enhance Java-based microservices. Develop modern frontend solutions using Angular. Integrate applications using REST APIs, Kafka, MQ and Oracle databases. Participate in migration and transformation of existing systems. Ensure application quality, scalability and performance. Collaborate with architects, analysts, QA engineers and business stakeholders. Contribute to code reviews and technical improvements. We are looking for someone who has Minimum 5 years of commercial experience with Java development. At least 2 years of experience with Angular (React is also valued). Strong knowledge of Spring Framework . Experience building microservices architectures . Practical experience with Docker and Kubernetes . Experience working with Kafka and distributed systems. Knowledge of REST APIs , SQL and Oracle databases. Experience with Git . Understanding of Clean Code , Continuous Integration and software engineering best practices. Experience integrating REST and SOAP services. Good understanding of XML, JSON and Avro . Good command of English (B2 or higher) . Nice to have Jenkins Argo CD Event Sourcing Schema Registry DevOps practices What we offer Competitive B2B rate of up to 157 PLN/hour . Long-term international project. Opportunity to work with modern cloud-native technologies. Challenging projects within the financial sector. Professional, collaborative and Agile environment. Work with experienced engineers on large-scale enterprise solutions.

🏢 Summary: Contract B2B Fullstack Developer role (hybrid in Wroclaw) focused on building and maintaining enterprise-grade financial platforms using Java/Spring Boot and Angular. The position involves developing microservices, scalable APIs, and responsive UI components while contributing to CI/CD and DevOps practices. The role requires ensuring high performance, security, and reliability within Agile teams. 🗂️ Requirements: Strong experience in Java 17/21+, Strong experience with Spring Boot, Experience with microservices architecture, Solid experience in Angular 14/16+, Experience with TypeScript, HTML, CSS, Experience building REST APIs, Experience with relational databases (Oracle, SQL Server, or PostgreSQL), Experience with Git, Experience with CI/CD tools (Jenkins or GitHub Actions), Understanding of secure application design, Experience working in Agile/Scrum 📃 Skills: Java, Spring, SpringBoot, Angular, TypeScript, HTML, CSS, REST, Microservices, Oracle, SQLServer, PostgreSQL, Git, Jenkins, GitHubActions, CI/CD, Agile, Scrum 🏢 Description: We are looking for a talented and experienced Fullstack Developer to join our growing team at a global leader in financial services platforms. Work mode: Hybrid, 3 days from office in Wroclaw, Poland Type of contract: Contract: B2B only ( 1 year with extensions) Key Responsibilities: Design, develop, test, and maintain full-stack applications using Java/Spring Boot on the backend and Angular on the frontend. Build scalable APIs, microservices, and UI components for enterprise-grade platforms. Ensure application performance, code quality, security, and reliability through best engineering practices. Participate in code reviews, design discussions, and continuous improvement initiatives. Troubleshoot production issues, perform root cause analysis, and implement sustainable fixes. Contribute to CI/CD pipelines , automated testing, and DevOps practices to improve software delivery. Support integration with databases, messaging systems, and third-party/internal enterprise services. Follow Agile/Scrum practices and actively participate in sprint ceremonies. Required Qualifications: Strong hands-on experience in Java  ( 17/21+) development , with Spring Boot and microservices architecture. Solid experience in Angular ( 14/16+) , TypeScript, HTML, CSS, and responsive UI development. Good understanding of REST APIs, backend integration patterns, and secure application design. Experience with relational databases such as Oracle, SQL Server, or PostgreSQL. Familiarity with source control tools such as Git, and CI/CD tools such as Jenkins, GitHub Actions, or similar. Understanding software development lifecycle, testing frameworks, and Agile methodologies. Strong analytical, problem-solving, and communication skills. Experience with version control systems, preferably Git. Benefits: Collaborative and supportive team culture Opportunity to work with global teams and stakeholders Exposure to innovative and impactful projects 📩 If you’re interested and meet the qualifications, please send your CV to Alina Pchelnikova at alina.pchelnikova@dcvtechnologies.co.uk