Software Engineer

🏢 Summary: Senior Fullstack Software Engineer role focused on developing and maintaining a large-scale cloud management web application used by thousands of daily users. The position involves building frontend features and backend services, contributing to scalable cloud infrastructure solutions, and working in an agile environment. You will design solutions, implement new features and bug fixes, write unit tests, and integrate relevant open-source technologies. 🗂️ Requirements: Proficiency in TypeScript and frontend development, Proficiency in Python, Experience with backend service development, Understanding of algorithms, Ability to perform root cause analysis, Ability to write organized, efficient, well-documented code, Experience with unit testing, Experience working in agile development environments 📃 Skills: TypeScript, React, Python, Flask, SQLAlchemy, REST, Docker, Algorithms, UnitTesting 🏢 Description: Do you want to build the next generation of cloud services? Would you like an opportunity to effect change at a leading technology organization? Join our Compute Team! Our Team's mission is to accelerate innovation by making computing simple, scalable, accessible, and affordable. We provide the infrastructure and services that enable developers to build next-generation applications. We host hundreds of thousands of virtual machines and petabytes of data for our customers worldwide. Partner with the best Your role involves developing new features and maintaining existing ones in Cloud Manager, a web-based UI serving 10,000 daily users. Responsibilities include implementing corresponding backend service updates. The team emphasizes agile development and innovative solutions, utilizing technologies such as TypeScript, React, Python, Flask, SQLAlchemy, REST APIs, Docker, and more. As a Fullstack Senior Software Engineer, you will be responsible for: Designing - gathering all required specifications and finding an appropriate solution. Implementing bug fixes or new features. Implementing unit tests. Researching, proposing, and integrating relevant open-source projects based on product objectives. Improving internal processes and systems on a consistent basis. Do what you love To be successful in this role you will: Demonstrate proficiency in TypeScript and front-end development Be comfortable and proficient with Python Demonstrate understanding of algorithms and root cause analysis. Write organized, efficient, and well-documented code. About us At Akamai, we make life better for billions of people, trillions of times a day. Whether you're streaming live events, scrolling social media, watching your favorite series, or managing your savings, we're the engine behind the scenes. We provide the world's most distributed platform from Cloud to Edge to help the giants of the digital world work faster and stay more secure, making the internet a better experience for everyone. Our focus is simple: Cloud and Edge: Running apps closer to users for instant performance. Security : Neutralizing threats before they ever reach your data. Content Delivery : Scaling the world's biggest moments without a glitch. AI : Enabling our customers to build, secure, and scale AI apps on the world's most distributed cloud platform. At Akamai, we don't just support the internet; we power and protect it, because behind every great digital experience is a massive hidden challenge. And we're the ones who solve it. When millions of people hit play or pay, Akamai ensures it just works. Benefits at Akamai: We support your health, well-being, finances, and life beyond work. See our benefits. FlexBase adapts to your job's needs Akamai's FlexBase program is yet another way we show our commitment to providing employees with an exceptional workplace experience. It's not about telling employees where to work; it's about supporting employees to do their best work. We trust our incredible employees to work in ways that suit them best: at home, in an office, or a combination of both. Connect with us on social and see what life at Akamai is like!

🏢 Summary: Software Engineer role focused on building and maintaining scalable cloud-based applications with modern frontend technologies and DevSecOps practices. The position involves full software development lifecycle responsibilities, frontend architecture, observability, and collaboration with cross-functional teams in a hybrid work environment. Candidates should have strong experience with JavaScript/TypeScript, frontend frameworks, cloud concepts, and software engineering principles. 🗂️ Requirements: Bachelor's degree in Computer Science, Software Engineering, or related field, 5+ years of professional software development experience, JavaScript, TypeScript, React, Angular, Vue, HTML5, CSS3, Browser APIs, Accessibility, Cloud deployment concepts, Azure, Data structures, Algorithms, Software design principles, SQL, NoSQL, MSSQL, MySQL, MongoDB, GitHub, GitLab, DevSecOps, Frontend architecture, Problem-solving, Fluent English 📃 Skills: JavaScript, TypeScript, React, Angular, Vue, HTML5, CSS3, Azure, SQL, NoSQL, MSSQL, MySQL, MongoDB, GitHub, GitLab, Docker, Kubernetes, CI/CD, Scrum, Kanban 🏢 Description: Summary The Software Engineer will play a key role in designing, developing, and maintaining high-quality software solutions that meet the evolving needs of users and the business, while collaborating with cross-functional teams and contributing through the entire software development lifecycle. Main Responsibilities: Design, develop, test, deploy, and maintain robust, scalable, and high-performance software applications using cloud components. Develop reusable UI components and frontend architecture (design systems, state management, routing, bundling). Write clean, efficient, and well-documented code following best practices. Collaborate with product managers, UX/UI designers, and engineers to define, design, and ship new features. Debug and resolve technical issues, ensuring optimal application performance and reliability. Contribute to architectural discussions and decisions, shaping the future of the technical stack. Stay up-to-date with emerging technologies and industry trends to improve development processes and tools. Participate in code reviews, technical documentation, and continuous improvement of engineering standards. Apply DevSecOps practices: dependency management, vulnerability scanning, secrets handling, and secure coding. Establish observability for frontend applications (real-user monitoring, client-side logging, error tracking, performance monitoring). Identify and implement opportunities for automation and process improvements. Key Requirements: Bachelor's degree in Computer Science, Software Engineering, or related field, or equivalent practical experience. 5 years of professional experience in software development. Strong proficiency in JavaScript/TypeScript and modern frontend frameworks (React, Angular, or Vue). Strong understanding of web fundamentals: HTML5, CSS3, browser APIs, security basics, and accessibility. Familiarity with cloud deployment concepts (preferably Azure) and environment configuration. Solid understanding of data structures, algorithms, and software design principles. Experience with SQL and/or NoSQL databases (MSSQL, MySQL, MongoDB, etc.). Experience with version control systems (GitHub/GitLab). Strong problem-solving skills and ability to troubleshoot complex issues. Excellent communication and interpersonal skills. Ability to work independently and manage multiple priorities. Nice to Have: Experience with Docker and Kubernetes. Familiarity with CI/CD pipelines and GitHub actions/workflows. Experience with agile development methodologies (Scrum, Kanban). Proficiency with Agentic IDEs and "Agent in the loop" workflows. Experience in modern CSS architecture and ability to consistently implement design docs. Other Details: Location: Remote (hybrid model) Work Model: Hybrid (3 days in office/week) Work hours: CET Time zone (9 hours) Expected language skill: Fluent English

🏢 Summary: Full-time remote Software Engineer role focused on building and maintaining enterprise-grade web applications using Angular 20+ and ASP.NET Core (.NET 9+) in a cloud-native environment. The position involves end-to-end development, secure integrations, scalable architecture, and CI/CD-driven deployments. The engineer will work across the full stack, ensuring performance, security, and high code quality. 🗂️ Requirements: Strong experience with modern web development, Proficiency in Angular 20+, Proficiency in ASP.NET Core (.NET 9+), Proficiency in TypeScript and C#, Experience with Azure AD and MSAL, Experience with Entity Framework Core, Experience with SQL Server and relational databases, Experience with Docker and Kubernetes, Experience with CI/CD pipelines, Ability to write unit and integration tests 📃 Skills: Angular, ASP.NET, TypeScript, C#, AzureAD, MSAL, EntityFramework, SQL, Docker, Kubernetes, CI/CD, Vitest, xUnit, Moq, Azure, REST, AzureDevOps 🏢 Description: Software Engineer Work model : Remote Employment Type: Full-Time Job Summary We are seeking a highly skilled Software Engineer with strong experience in modern web application development to join our team in a fully remote setup. The ideal candidate will design, build, and maintain enterprise-grade applications using Angular 20+, ASP.NET Core (.NET 9+), and cloud-native technologies. This role requires excellent technical expertise, a proactive mindset, and the ability to collaborate effectively within cross-functional teams while working independently on complex tasks. Key Responsibilities Design and develop enterprise applications using Angular 20+ for the front end and ASP.NET Core (.NET 9+) for the back end. Implement standalone components and signals-based architecture to deliver responsive and maintainable user interfaces. Integrate Azure MSAL authentication, RESTful APIs, and external system integrations. Build and optimize data access layers using Entity Framework Core and manage relational data in SQL Server. Ensure application security through authentication, authorization, and data protection using Azure AD. Deploy and manage environments using Docker, Kubernetes, and CI/CD pipelines. Write comprehensive unit and integration tests for both front-end (Vitest) and back-end (xUnit, Moq). Collaborate with cross-functional teams to maintain shared libraries and iterate based on user feedback. Troubleshoot, debug, and optimize applications for scalability and performance across the entire stack. Participate actively in code reviews, including reviewing and approving Pull Requests. Document progress, key decisions, and outcomes using Azure DevOps Boards and Wiki. Required Qualifications Strong professional experience in software engineering with modern web technologies. Proficiency in Angular 20+, ASP.NET Core (.NET 9+), and TypeScript/C#. Hands-on experience with Azure AD, MSAL, and secure application design. Solid understanding of Entity Framework Core, SQL Server, and relational data modeling. Experience with Docker, Kubernetes, and CI/CD workflows. Ability to write high-quality unit and integration tests. Strong analytical and problem-solving skills. Excellent communication skills and the ability to work effectively in a remote environment. What We Offer Fully remote work environment. Collaborative and supportive team culture. Opportunities for continuous learning and professional growth. Work with modern technologies and impactful enterprise projects.

🏢 Summary: The role involves designing, developing, and maintaining scalable cloud-based frontend applications with strong emphasis on architecture, performance, and security. It focuses on building reusable UI components, applying DevSecOps practices, and ensuring high-quality, observable, and reliable software delivery. The engineer collaborates across teams while contributing to architectural decisions and continuous improvement of development standards. 🗂️ Requirements: Bachelor's degree in Computer Science, Software Engineering or equivalent experience, 5+ years of professional software development experience, Strong proficiency in JavaScript and TypeScript, Experience with modern frontend frameworks (React, Angular, or Vue), Strong knowledge of HTML5, CSS3, browser APIs, and web security (XSS, CSP), Understanding of accessibility standards (WCAG), Familiarity with cloud deployment concepts (preferably Azure), Solid understanding of data structures, algorithms, and software design principles, Experience with relational or NoSQL databases, Experience with Git-based version control systems, Experience with Docker and Kubernetes, Experience with CI/CD pipelines and GitHub Actions, Knowledge of DevSecOps practices, Experience with CSS architecture and design tokens, Fluent English 📃 Skills: JavaScript, TypeScript, React, Angular, Vue, HTML5, CSS3, WCAG, Azure, MSSQL, MySQL, MongoDB, Cassandra, CosmosDB, GitHub, GitLab, Docker, Kubernetes, CI/CD, GitHubActions, DevSecOps, Scrum, Kanban 🏢 Description: Summary The Software Engineer role plays a critical part in enhancing software solutions that align with user and business demands by designing, developing, and maintaining applications throughout their lifecycle. Main Responsibilities: Design, develop, test, deploy, and maintain robust, scalable, and high-performance software applications using cloud components. Develop reusable UI components and frontend architecture (design systems, state management, routing, bundling). Write clean, efficient, and well-documented code following best practices. Collaborate with product managers, UX/UI designers, and other engineers to define, design, and ship new features. Debug and resolve technical issues, ensuring optimal application performance and reliability. Contribute to architectural discussions and decisions, helping to shape the future of our technical stack. Stay up-to-date with emerging technologies and industry trends, continuously seeking to improve our development processes and tools. Participate in code reviews, technical documentation, and continuous improvement of engineering standards. Apply DevSecOps practices: dependency management, vulnerability scanning, secrets handling, and secure coding. Establish observability for frontend applications (real-user monitoring, client-side logging, error tracking, performance monitoring). Key Requirements: Bachelor's degree in Computer Science, Software Engineering, or a related field, or equivalent practical experience. 5 years of professional experience in software development (3+ years for mid-level, 5+ for senior). Strong proficiency in JavaScript/TypeScript and modern frontend frameworks (React, Angular, or Vue). Strong understanding of web fundamentals: HTML5, CSS3, browser APIs, security basics (XSS, CSP), accessibility (WCAG). Familiarity with cloud deployment concepts (preferably Azure) and environment configuration. Solid understanding of data structures, algorithms, and software design principles. Experience with relational and/or NoSQL databases (e.g., MSSQL, MySQL, MongoDB, Cassandra, Cosmos DB). Experience with version control systems (e.g., Github, GitLab). Strong problem-solving skills and the ability to troubleshoot complex issues. Excellent communication and interpersonal skills, with the ability to work effectively in a team environment. Ability to work independently and manage multiple priorities. Experience with Docker and Kubernetes. Familiarity with CI/CD pipelines, Github actions/workflow. Experience with agile development methodologies (Scrum, Kanban). Proficiency with Agentic IDEs and experience with "Agent in the loop" workflows. Proficiency with design tokens, mastery of CSS architecture (CSS Modules, Type-safe CSS), and ability to implement designs consistently across different frontend stacks. Nice to Have: Advanced knowledge of design systems and UI/UX principles. Experience with cross-browser compatibility testing. Familiarity with performance optimization techniques for web applications. Other Details: Language Requirements: Fluent English.

🏢 Summary: B2B Senior Full-Stack Software Engineer role focused on building Java-based enterprise applications with strong integration of Agentic AI tools to enhance development workflows. The position involves end-to-end development, CI/CD pipeline design, automated testing, security implementation, and containerized deployments in an Agile environment. The role combines backend, frontend, DevOps, and AI-assisted engineering practices. 🗂️ Requirements: Minimum 5 years of hands-on Java development experience, Strong experience with Spring Boot and Spring Security, Solid knowledge of Hibernate / JPA and ORM concepts, Experience with relational databases (MySQL, PostgreSQL, or Oracle), Proficiency in HTML5, CSS3, JavaScript and one modern frontend framework (React, Angular, or Vue.js), Hands-on experience with JUnit, Mockito, Cucumber and integration testing, Practical experience designing and maintaining Jenkins CI/CD pipelines, Understanding of cryptographic principles and secure key management, Experience with Docker and Kubernetes, Experience designing and implementing RESTful APIs, Understanding of software architecture patterns and design principles, Experience working in Agile/Scrum environments 📃 Skills: Java, Spring, SpringBoot, SpringSecurity, Hibernate, JPA, MySQL, PostgreSQL, Oracle, HTML5, CSS3, JavaScript, React, Angular, Vue, JUnit, Mockito, Cucumber, Jenkins, Docker, Kubernetes, REST, Cryptography, GitHubCopilot, ChatGPT, Claude, Cline 🏢 Description: Senior Software Engineer (Full-Stack, Agentic AI Focus) Warsaw, hybrid 1 day/week B2B contract We are looking for a talented Senior Software Engineer to join our dynamic development team. This role focuses on full-stack development , with a strong emphasis on leveraging Agentic AI tools and technologies to drive efficiency, innovation, and smarter development workflows. The ideal candidate brings solid experience with Java-based enterprise applications , a strong engineering mindset, and a passion for using cutting-edge AI technologies to enhance productivity, code quality, and collaboration across the development lifecycle. Key Responsibilities 1. Development & Engineering Design, develop, and maintain full-stack applications using Java and modern web technologies. Build robust backend services using the Spring Framework (Spring Boot, Spring Security). Develop and optimize database interactions using Hibernate ORM . Create responsive, intuitive, and user-friendly frontend interfaces. Integrate Agentic AI tools and technologies to improve development efficiency and code quality. Participate in the entire software development lifecycle , from requirements analysis to deployment. Implement cryptographic solutions and security protocols to ensure safe handling of sensitive data. 2. CI/CD & DevOps Design, build, and maintain Jenkins CI/CD pipelines for automated build, testing, and deployment. Configure and optimize continuous integration workflows to ensure high code quality and rapid delivery. Implement automated testing integration within CI/CD pipelines. 3. Agentic AI Tools & Technology Integration Leverage AI-powered development tools (GitHub Copilot, ChatGPT, Claude, Cline, etc.) to accelerate coding, troubleshooting, and problem-solving. Utilize AI tools for code review, automated testing, and documentation generation . Stay up to date with emerging Agentic AI technologies and assess their potential to enhance development workflows. Share knowledge and best practices for AI-assisted development across the team. 4. Testing & Quality Assurance Write comprehensive unit tests using JUnit, Mockito, and other testing frameworks. Develop and execute integration tests to ensure system reliability and stability. Implement automated testing strategies and maintain strong test coverage standards . Participate in code reviews and uphold high coding and quality standards. Debug and troubleshoot complex technical issues . 5. Collaboration & Process Work closely with cross-functional teams including product managers, designers, and QA engineers. Actively participate in Agile/Scrum development processes . Contribute to technical documentation and internal knowledge sharing. Continuously improve development processes, tools, and team efficiency . Required Qualifications Technical Skills Java Expertise: Minimum 5 years of hands-on experience in Java development. Spring Framework: Strong experience with Spring Boot and Spring Security . Hibernate / JPA: Solid knowledge of ORM concepts, entity mapping, and database optimization. Database Technologies: Experience with relational databases such as MySQL, PostgreSQL, or Oracle . Frontend Technologies: Proficiency in HTML5, CSS3, JavaScript , and modern frameworks (React, Angular, or Vue.js). Testing Frameworks: Hands-on experience with JUnit, Mockito, Cucumber , and integration testing tools. CI/CD Tools: Practical experience designing and maintaining Jenkins pipelines . Cryptography: Understanding of cryptographic principles including encryption/decryption, digital signatures, and secure key management. Containerization: Experience with Docker and Kubernetes . API Development: Experience designing and implementing RESTful APIs . Architecture Knowledge: Understanding of software architecture patterns and design principles . Agile Methodologies: Experience working within Agile/Scrum environments . Preferred Qualifications Bachelor’s degree in Computer Science, Software Engineering, or a related field. Payment industry experience: 2+ years of experience working within payment systems or financial platforms.

🏢 Summary: Senior Software Engineer role focused on digital payments modernization and card network integration for a major financial institution. The position involves backend application engineering, performance testing, cloud-native modernization, and event-driven payment systems using Java and containerized platforms. Candidates will work across legacy and modern infrastructure to improve scalability, compliance, and system reliability. 🗂️ Requirements: 5+ years of software engineering experience in Java, Knowledge of Oracle and/or PostgreSQL, Experience with OpenShift, Kubernetes, or containerized environments, Experience with Tomcat and/or WebSphere, Enterprise-level performance testing experience, Experience with load testing and performance profiling, Ability to design performance testing frameworks, Understanding of PCI compliance and secure data handling, Familiarity with event-driven architectures, Experience working in large multi-team environments, Strong written and verbal communication skills, Bachelor’s degree or equivalent experience 📃 Skills: Java, Oracle, PostgreSQL, OpenShift, Kubernetes, Tomcat, WebSphere, PCI, GitHub, Copilot, PGLogical, Claude 🏢 Description: Kunai builds full-stack technology solutions for banks, credit and payment networks, infrastructure providers, and their customers. Together, we are changing the world's relationship with financial services. At Kunai, we help our clients modernize, capitalize on emerging trends, and evolve their business for the coming decades by remaining tech-agnostic and human-centered.We are seeking a Senior Software Engineer to join a high-impact digital payments modernization program supporting the integration of a major card network into one of the largest financial institutions in the United States. This is a hands-on engineering role at the intersection of legacy and modern infrastructure, where you will contribute to both the reliability of mission-critical payment systems today and help shape the architecture that will power them tomorrow. You will work across scalable backend services, performance testing frameworks, and application engineering — with real opportunity to grow your skills on modern cloud-native technologies as the program evolves. WHAT YOU'LL DO You will be embedded across one or more workstreams supporting digital payments engineering, with responsibilities that may include: Scalability, Performance Testing & Validation Design and execute enterprise-grade performance testing strategies for payment processing services, defining frameworks, tooling, and success criteria from the ground up. Identify performance bottlenecks across legacy and modern service layers and drive measurable improvements through analysis and targeted optimization. Instrument and validate services running on Java, Oracle, Tomcat, and WebSphere as well as modern workloads running on PostgreSQL and OpenShift. Collaborate with backend engineers to ensure scalability requirements are met across all environments prior to release. Translate performance findings into clear recommendations for engineering leads and stakeholders. Application Engineering Build and maintain full-stack backend services supporting card network integration, working primarily in Java with PostgreSQL and OpenShift Container Platform (OCP). Contribute to application modernization efforts, migrating and re-platforming services from legacy infrastructure to cloud-native environments. Leverage AI-assisted development tooling (including GitHub Copilot) to improve development velocity and code quality. Participate in code reviews, architectural discussions, and cross-team technical planning sessions. General Engineering PCI data purging pipelines and event-driven architecture patterns including token removal and event consumption. Work with event-driven services running on OpenShift and Oracle and PostgreSQL backends to support data lifecycle and compliance requirements. Serve as a flexible, senior contributor across teams where engineering depth and experience are needed most. REQUIRED SKILLS & EXPERIENCE Core Engineering 5+ years of professional software engineering experience, primarily in Java. Strong working knowledge of relational databases — Oracle and/or PostgreSQL required. Experience deploying and operating services in containerized environments (OpenShift, Kubernetes, or equivalent). Familiarity with legacy enterprise application servers — Tomcat and/or WebSphere experience a plus. Performance Engineering At least one enterprise-level performance testing engagement — defining strategy, selecting tooling, executing tests, and presenting findings. Experience with performance profiling, load testing, and bottleneck resolution in high-throughput, distributed systems. Ability to design logical, streamlined test frameworks from scratch and operate with minimal guidance. Payments & Financial Services Background in digital payments, card processing, or financial services technology strongly preferred. Understanding of PCI compliance requirements and secure data handling practices. Familiarity with event-driven architecture patterns and OpenShift-based eventing. Collaboration & Communication Demonstrated ability to work effectively in large, matrixed program environments with multiple teams and stakeholders. Strong written and verbal communication skills; able to translate technical complexity for non-technical audiences. Comfortable operating in environments with evolving requirements and ambiguity. NICE TO HAVE Experience with PGLogical or PostgreSQL logical replication. Exposure to AI-assisted development tools (GitHub Copilot or Claude). Prior work on bank or card network integration programs. Experience working in segregated or air-gapped development environments. Our success over the past 20 years is rooted in our exceptional team, which thrives in a culture of collaboration, creativity, and continuous learning. We are proud to offer our employees a range of benefits, including competitive compensation, professional development opportunities, and flexible work arrangements, all designed to help them thrive. As we continue to expand, we remain committed to cultivating an environment where people feel valued, have a voice, and are given the tools to grow—both personally and professionally—while pushing the boundaries of innovation in the fintech industry. Minimum Degree Required: Bachelor's Degree, in lieu of a degree, demonstrating in addition to the minimum years of experience required for the role, three years of specialized training and/or progressively responsible work experience in technology for each missing year of college is required

🏢 Summary: Senior Software Engineer role focused on digital payments modernization and card network integration within a major U.S. financial institution. The position involves building and optimizing backend payment services, performance testing frameworks, and cloud-native application modernization using Java, PostgreSQL, and OpenShift. The role also supports PCI-compliant event-driven architectures and scalable enterprise payment systems. 🗂️ Requirements: 5+ years of software engineering experience, Professional experience with Java, Knowledge of Oracle or PostgreSQL, Experience with containerized environments, Experience with OpenShift or Kubernetes, Experience with enterprise application servers, Enterprise-level performance testing experience, Experience with load testing and performance profiling, Ability to build test frameworks, Knowledge of distributed systems, Understanding of PCI compliance, Experience with event-driven architectures, Strong communication skills, Ability to work in matrixed environments, Bachelor’s degree or equivalent experience 📃 Skills: Java, Oracle, PostgreSQL, OpenShift, Kubernetes, Tomcat, WebSphere, PCI, GitHub, Copilot, PGLogical, SQL 🏢 Description: We are seeking a Senior Software Engineer to join a high-impact digital payments modernization program supporting the integration of a major card network into one of the largest financial institutions in the United States. This is a hands-on engineering role at the intersection of legacy and modern infrastructure, where you will contribute to both the reliability of mission-critical payment systems today and help shape the architecture that will power them tomorrow. You will work across scalable backend services, performance testing frameworks, and application engineering — with real opportunity to grow your skills on modern cloud-native technologies as the program evolves. WHAT YOU'LL DO Scalability, Performance Testing & Validation - Design and execute enterprise-grade performance testing strategies for payment processing services, defining frameworks, tooling, and success criteria from the ground up. - Identify performance bottlenecks across legacy and modern service layers and drive measurable improvements through analysis and targeted optimization. - Instrument and validate services running on Java, Oracle, Tomcat, and WebSphere as well as modern workloads running on PostgreSQL and OpenShift. - Collaborate with backend engineers to ensure scalability requirements are met across all environments prior to release. - Translate performance findings into clear recommendations for engineering leads and stakeholders. Application Engineering - Build and maintain full-stack backend services supporting card network integration, working primarily in Java with PostgreSQL and OpenShift Container Platform (OCP). - Contribute to application modernization efforts, migrating and re-platforming services from legacy infrastructure to cloud-native environments. - Leverage AI-assisted development tooling (including GitHub Copilot) to improve development velocity and code quality. - Participate in code reviews, architectural discussions, and cross-team technical planning sessions. General Engineering - Support PCI data purging pipelines and event-driven architecture patterns including token removal and event consumption. - Work with event-driven services running on OpenShift and Oracle and PostgreSQL backends to support data lifecycle and compliance requirements. - Serve as a flexible, senior contributor across teams where engineering depth and experience are needed most. REQUIRED SKILLS & EXPERIENCE Core Engineering - 5+ years of professional software engineering experience, primarily in Java. - Strong working knowledge of relational databases — Oracle and/or PostgreSQL required. - Experience deploying and operating services in containerized environments (OpenShift, Kubernetes, or equivalent). - Familiarity with legacy enterprise application servers — Tomcat and/or WebSphere experience a plus. Performance Engineering - At least one enterprise-level performance testing engagement — defining strategy, selecting tooling, executing tests, and presenting findings. - Experience with performance profiling, load testing, and bottleneck resolution in high-throughput, distributed systems. - Ability to design logical, streamlined test frameworks from scratch and operate with minimal guidance. Payments & Financial Services - Background in digital payments, card processing, or financial services technology strongly preferred. - Understanding of PCI compliance requirements and secure data handling practices. - Familiarity with event-driven architecture patterns and OpenShift-based eventing. Collaboration & Communication - Demonstrated ability to work effectively in large, matrixed program environments with multiple teams and stakeholders. - Strong written and verbal communication skills; able to translate technical complexity for non-technical audiences. - Comfortable operating in environments with evolving requirements and ambiguity. NICE TO HAVE - Experience with PGLogical or PostgreSQL logical replication. - Exposure to AI-assisted development tools (GitHub Copilot or Claude). - Prior work on bank or card network integration programs. - Experience working in segregated or air-gapped development environments. Benefits include competitive compensation, professional development opportunities, and flexible work arrangements. Minimum Degree Required: Bachelor's Degree, or equivalent combination of specialized training and progressively responsible technology experience.

🏢 Summary: Senior Software Engineer responsible for defining technical standards and architecture, leading backend and frontend development, and ensuring secure, scalable, and observable solutions. The role drives CI/CD, enterprise integrations, and production support while aligning engineering practices with product and operations goals. 🗂️ Requirements: Proven experience defining technical standards and architecture, Experience with CI/CD orchestration, Experience with observability implementation, Experience implementing on-premises, hybrid, and cloud solutions, Experience leading backend and frontend architectural decisions, Experience maintaining CI/CD pipelines, Experience coordinating enterprise integrations, Knowledge of DDD and clean architecture, Expertise in Java and Spring Boot, Expertise in Python and FastAPI, Expertise in React or Angular, Experience with L2/L3 production support, Experience with Spring Security and OAuth 📃 Skills: Java, SpringBoot, Python, FastAPI, React, Angular, CICD, Observability, ServiceNow, Jira, Boomi, DDD, OAuth, SpringSecurity 🏢 Description: To strengthen the team, we are seeking a person for the role of Senior Software Engineer, responsible for defining technical standards and architecture, guiding the development team, ensuring quality practices, security, and CI/CD, and collaborating with product and operations in delivering scalable, business-aligned solutions. Main Responsibilities Define technical standards, architecture, and development practices, ensuring quality, security, performance, and resilience in production environments. Orchestrate end-to-end delivery with CI/CD and observability while promoting responsible autonomy among teams aligned with product and operational objectives. Implement on-premises, hybrid, and cloud solutions with security best practices, observability, and integration with existing systems. Lead architectural decisions in backend and frontend (Java/Spring Boot, Python/FastAPI, React/Angular), ensuring scalability, consistent testing and code reviews. Implement and maintain end-to-end CI/CD pipelines and observability (logs, metrics, distributed tracing). Coordinate enterprise integrations (ServiceNow, Jira, CRMs) and iPaaS (e.g., Boomi), including mapping, validation, and compliance. Apply practices such as DDD, clean architecture, application security, and secrets/IAM management throughout the development lifecycle. Provide technical guidance to the team, elevate quality standards, and align practices with product and operations. Lead L2/L3 support in production: incident triage and resolution, prevention escalation (on call), SLA management, and conducting post-mortems focused on root causes and corrective actions. Operate and evolve applications in on-premises, hybrid, or cloud environments: VMs, networks, VPNs, certificates, Nginx/reverse proxy, load balancing, and enhancing the security of exposed services. Key Requirements Proven ability to define technical standards, architecture, and development practices. Experience with CI/CD orchestration and observability practices. Knowledge of implementing on-premises, hybrid, and cloud solutions with security best practices. Leadership in architectural decisions for backend and frontend technologies. Experience with maintaining CI/CD pipelines and end-to-end observability. Ability to coordinate enterprise integrations and ensure compliance. Mastery of practices such as DDD and clean architecture. Technical expertise in Java/Spring Boot, Python/FastAPI, React/Angular. Experience in providing L2/L3 technical support and leading incident resolution. Expertise in security practices, including Spring Security and OAuth. Nice to Have Experience with Docker, Kubernetes, and cloud environments (Azure/AWS/GCP). Background in data management with PostgreSQL, MongoDB, and Redis. Familiarity with AI models, particularly RAG. Knowledge in security access management and policies based on the principle of least privilege.

🏢 Summary: Senior Software Engineer role focused on building scalable front-end and cloud-native applications, with flexibility for deep specialization in modern front-end technologies or AWS cloud engineering. The position involves designing serverless architectures, integrating APIs, managing databases, and implementing CI/CD pipelines in a collaborative environment. Regular on-site presence and strong English communication skills are required. 🗂️ Requirements: Minimum 8 years of commercial software development experience, Strong expertise in front-end development with component-based frameworks or AWS cloud engineering, Hands-on experience designing and delivering cloud-native applications, Experience with serverless architectures, Solid understanding of API design principles and distributed systems, Experience with CI/CD pipelines and deployment automation, Ability to communicate fluently in English, Availability for regular on-site work 📃 Skills: JavaScript, TypeScript, AWS, Serverless, REST, SQL, NoSQL, CI/CD, Docker, Kubernetes 🏢 Description: We are looking for a highly experienced Software Engineer with strong expertise in modern front-end technologies and cloud-based solutions. In this role, you will be responsible for designing and delivering scalable, high-quality applications in a highly collaborative and fast-paced environment. The position requires regular on-site presence and the ability to communicate effectively in English with both technical and non-technical stakeholders. Depending on your strengths, we welcome candidates with either deep front-end specialization or strong hands-on experience in cloud engineering, ideally combining both. Your tasks Develop and maintain applications using modern front-end technologies and strongly typed languages Design and implement scalable cloud-based architectures, including serverless solutions Build and integrate RESTful services to support application functionality Work with both relational and non-relational databases to manage and process data effectively Create and optimize automated deployment pipelines for continuous integration and delivery Collaborate with stakeholders to translate business requirements into technical solutions Requirements Minimum 8 years of commercial experience in software development using modern programming languages Strong hands-on expertise in either front-end development (including component-based frameworks) or cloud engineering (AWS) Practical experience designing and delivering cloud-native applications, preferably in a serverless environment Solid understanding of API design principles and best practices for distributed systems Experience working with CI/CD pipelines and deployment automation tools Excellent communication skills with the ability to explain technical concepts clearly, and fluency in English 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: Fullstack Software Engineer role focused on building and scaling end-to-end web services and modern user interfaces in an agile, AI-first environment. The position combines backend development in Python with frontend development in React, emphasizing UX quality, scalable architectures, and cloud-based deployments. The engineer contributes to architecture decisions and delivers high-performance solutions for global-scale e-commerce systems. 🗂️ Requirements: 3+ years of experience with Python, Commercial experience with React, Proficiency in TypeScript, Experience with Redux or similar state management, Knowledge of TDD and clean code principles, Experience designing scalable web architectures, Basic knowledge of AWS (EC2, RDS, S3), Basic DevOps skills (*nix, Docker, Kubernetes, Apache/nginx), Experience with SOA and message queues (e.g., RabbitMQ), Experience working with AI coding tools (e.g., Cursor, Claude Code), Good written and spoken English 📃 Skills: Python, React, TypeScript, Redux, AWS, EC2, RDS, S3, Docker, Kubernetes, Apache, Nginx, RabbitMQ, SOA, TDD, Unix, AI, Cursor, Claude, JavaScript 🏢 Description: Who are we looking for? As a Fullstack Software Engineer, you will be a key part of an agile team responsible for developing end-to-end services and interfaces. We need a "proactive doer" who doesn't just build features but takes full ownership of the User Experience (UX) and business outcomes. You naturally use AI-based tools to accelerate delivery without compromising on quality or aesthetics. You will bring on board: Goal-oriented mindset: Strong focus on customer needs and hitting business objectives. UX Sensitivity: An eye for detail and a drive to build intuitive, high-quality interfaces. Fullstack Proficiency: 3+ years of experience in Python and solid commercial experience with React. Modern FE Stack: Proficiency in TypeScript and state management ( Redux ). AI-Native Workflow: Habitual use of Cursor, Claude Code, or similar agents to boost productivity. Proactive "Can-do" attitude: Ability to work effectively with product owners to turn vision into working software. Technical Excellence: Knowledge of TDD, clean code, and scalable web architectures. Cloud Awareness: Basic knowledge of AWS (EC2, S3) and DevOps (Docker). At least basic knowledge of Amazon Web Services (EC2, RDS, S3) At least basic DevOps skills (*nix, Apache/nginx, Docker, Kubernetes) Experience in SOA, message queues (like RabbitMQ) Good written and spoken English, comfortable with working in an international environment Nice to have Having contributed to Open Source (send us your GitHub id!) Good knowledge of JavaScript build tools (eg. Webpack) and the yarn ecosystem Knowledge of redux-saga, redux-forms, style-loader and css-loader, reselect... Experience with ESLint for linting Advanced DevOps skills (*nix, Apache/nginx, Docker, Kubernetes) Advanced knowledge of Amazon Web Services (EC2, RDS, S3, ELB, EBS, EKS) Experience developing and maintaining complex web architectures Experience in event-driven architecture and distributed systems Experience with NoSQL databases (Mongo, ElasticSearch) Experience in EventStorming Knowledge of GraphQL Knowledge of CQRS/DDD Expertise in cybersecurity topics What do we do? End-to-End Delivery: We build both robust backend APIs and modern, responsive frontends to support the flow of millions of products. UX Optimization: We treat the interface as a critical part of the product, ensuring high quality and friction-less user journeys. AI-First Engineering: We embrace the power of AI to make ourselves more efficient and focus on solving higher-level problems. Scalability & Performance: We monitor and improve our services to handle global e-commerce traffic. Impactful Design: We help with architecture-level decisions, ensuring every project delivers maximum value. How do we work? We have passion for evolving technology and its applications. We believe in teamwork, empowerment and self-organisation We follow Agile principles We are highly autonomous - we choose our own goals and projects which contribute to a company strategy as well as tools that make our work efficient We are closely cooperating with the business stakeholders, data engineers, data science, and other product developers We have a mature product pipeline with predefined initial specs, designs, and architectures for all features.