Freelance Frontend Developer New Technology Hub | Budapest, Hungary | Hybrid | Contract 📅 Duration: 12 months   About the Opportunity A major European telecommunications group is establishing a new technology hub in Budapest to deliver engineering excellence, on-site support, and knowledge exchange across its European programmes. As Lead Frontend Developer, you will own the frontend layer of a modern Java-based microservices platform — setting the standard for UI architecture, leading a team of frontend engineers, and working closely with backend developers, architects, and designers in a mission-critical telco environment. This is a technical leadership role: you will write code, set direction, and raise the bar across the team. Key Responsibilities <ul><li>Lead frontend architecture decisions across Angular and/or React / TypeScript codebases</li><li>Design and develop responsive, scalable, enterprise-grade UIs</li><li>Define frontend coding standards, component libraries, and reusable design systems</li><li>Conduct code reviews and mentor junior and mid-level frontend developers</li><li>Collaborate closely with backend developers on REST API integration and data contracts</li><li>Work with UI/UX designers to translate mockups into production-ready interfaces</li><li>Integrate frontend systems into CI/CD pipelines using GitLab, Jenkins, or equivalent</li><li>Contribute to sprint planning and technical design discussions within agile Scrum/Kanban teams</li><li>Ensure frontend solutions meet performance, accessibility, and security standards</li><li>Drive continuous improvement of frontend tooling, processes, and practices</li></ul> Required Skills & Experience <ul><li>Proven experience as a Lead or Senior Frontend Developer in enterprise environments</li><li>Expert-level Angular (v7–17) and/or React with TypeScript</li><li>Strong proficiency in JavaScript, HTML, CSS/SCSS</li><li>Experience building and maintaining component libraries and design systems</li><li>REST API integration experience — working closely with Java/Spring Boot backends</li><li>Familiarity with state management: NgRx, NGXS, Redux or equivalent</li><li>Version control and CI/CD: GitLab, GitHub, Jenkins or equivalent</li><li>Experience with modern frontend tooling: npm, ESLint, Docker</li><li>Agile mindset — hands-on Scrum or Kanban experience</li><li>Telecommunications sector experience — strong advantage</li><li>Fluent English — written and verbal</li><li>Interest in and practical exposure to AI-assisted development tooling</li></ul> Nice to Have <ul><li>Figma or equivalent design tool experience</li><li>Experience with Nx monorepo architecture</li><li>Familiarity with backend technologies (Java / Spring Boot) — ability to read and understand API contracts</li><li>Graylog or equivalent observability/logging platform</li><li>German language skills (beneficial, not mandatory)</li><li>Experience establishing frontend standards within a newly built team or hub</li></ul> The Details Location: Budapest, Hungary — hybrid (mix of home working and Budapest office) Start: TBC — targeting candidates available within 2–3 months (Q3 2026) Duration: 12 months, extension highly likely Workload: 100% Languages: English essential; German a bonus Must be based in or willing to work in Budapest EU work authorisation required To apply: jamaine.agyepong@xcede.de

Freelance Frontend Developer New Technology Hub | Budapest, Hungary | Hybrid | Contract

Freelance Scrum Master / Delivery Manager - New Technology Hub | Budapest, Hungary | Hybrid | Contract 📅 Duration: 12 months | 💼 Contract / Freelance About the Opportunity A major European telecommunications group is establishing a new technology hub in Budapest to deliver engineering excellence, on-site support, and knowledge exchange across its European programmes. As Scrum Master / Delivery Manager, you will be the driving force behind agile delivery within this hub — keeping cross-functional engineering teams aligned, unblocked, and consistently shipping in a mission-critical telco environment. This is a hands-on delivery role: you will own the rhythm of the team, protect the process, and act as a bridge between technical teams and stakeholders. Key Responsibilities <ul><li>Facilitate all Scrum ceremonies — sprint planning, stand-ups, retrospectives, and reviews</li><li>Own the delivery cadence and ensure teams are consistently hitting sprint goals</li><li>Identify, track, and remove blockers that slow engineering progress</li><li>Act as the interface between product owners, architects, developers, and DevOps teams</li><li>Drive continuous improvement across delivery processes and team ways of working</li><li>Manage dependencies across workstreams and escalate risks where necessary</li><li>Support onboarding and knowledge exchange within the new Budapest hub</li><li>Maintain transparency across delivery status, risks, and milestones for senior stakeholders</li><li>Coach teams on agile best practices — Scrum and Kanban</li><li>Contribute to the wider agile maturity of the organisation</li></ul> Required Skills & Experience <ul><li>Proven experience as a Scrum Master and/or Delivery Manager in enterprise tech environments</li><li>Strong facilitation and coaching skills — able to run ceremonies and drive team accountability</li><li>Experience managing delivery across cross-functional teams including developers, architects, and DevOps</li><li>Solid understanding of Java-based microservice development environments — you don't need to code but you need to speak the language</li><li>Familiarity with modern tooling: Jira, Confluence, GitLab or equivalent</li><li>Experience working in agile Scrum and/or Kanban environments</li><li>Telecommunications sector experience — strong advantage</li><li>Excellent stakeholder management and communication skills</li><li>German language skills — strongly preferred</li><li>Fluent English — essential</li><li>Interest in AI-assisted delivery tooling and ways of working</li></ul> Nice to Have <ul><li>Certified Scrum Master (CSM, PSM) or equivalent</li><li>SAFe or scaled agile framework experience</li><li>Experience managing delivery within a newly established team or hub environment</li><li>Familiarity with CI/CD pipelines and DevOps workflows</li><li>German as a first language or business fluent</li></ul> The Details Location: Budapest, Hungary — hybrid (mix of home working and Budapest office) Start: TBC — targeting candidates available within 2–3 months (Q3 2026) Duration: 12 months, extension highly likely Workload: 100% Languages: German strongly preferred; English essential Must be based in or willing to relocate to Budapest EU work authorisation required To apply: jamaine.agyepong@xcede.de

Freelance Scrum Master / Delivery Manager New Technology Hub | Budapest, Hungary | Hybrid | Contract

Solution Architect / Solution Designer New Technology Hub | Budapest, Hungary | Hybrid | Contract Budapest, Hungary (occasional on-site) | | 📅 Duration: 12 months | 💼 Contract / Freelance About the Opportunity A major European telecommunications group is establishing a new technology hub in Hungary to deliver engineering excellence, on-site support, and knowledge exchange across its European programmes. As Solution Architect / Designer, you will be the technical authority within this hub — bridging business requirements and engineering delivery across a modern Java-based microservices stack in a mission-critical telco environment. This is a hands-on architecture role: you will design, validate, and guide implementation — not just draw diagrams. Key Responsibilities <ul><li>Own end-to-end solution design across backend, integration, and frontend layers</li><li>Define and enforce architectural standards for Java microservice-based systems</li><li>Translate complex business and product requirements into scalable, maintainable technical solutions</li><li>Design REST API frameworks and integration patterns for internal and external systems</li><li>Oversee PostgreSQL data architecture including JSONB structures and schema design</li><li>Guide and review frontend architecture decisions using Angular and/or React / TypeScript</li><li>Define CI/CD pipeline standards and DevOps integration patterns</li><li>Evaluate and recommend tooling across the Apache ecosystem (Kafka, Camel, etc.)</li><li>Lead technical workshops and design reviews with cross-functional teams</li><li>Collaborate with product owners, developers, and DevOps engineers in agile Scrum/Kanban environments</li><li>Support and mentor senior developers, ensuring architectural consistency across teams</li><li>Contribute to build vs. buy decisions, vendor assessments, and technical roadmaps</li><li>Ensure solutions meet performance, security, scalability, and compliance standards</li></ul>Required Skills & Experience <ul><li>Proven experience as a Solution Architect or Senior Solution Designer in enterprise environments</li><li>Deep expertise in Java (Java 21 preferred) and Spring Boot microservice architecture</li><li>Strong REST API design and integration experience — internal and third-party systems</li><li>Solid PostgreSQL knowledge including schema design and JSONB</li><li>Frontend architecture experience: JavaScript/TypeScript with Angular or React</li><li>Experience with Apache ecosystem tooling (Kafka, Camel, or similar)</li><li>CI/CD pipeline design: Maven, Jenkins, GitLab CI or equivalent</li><li>Containerisation and orchestration: Docker, Kubernetes, Helm</li><li>Strong understanding of security, performance, and resilience patterns in distributed systems</li><li>Telecommunications sector experience — strong advantage</li><li>Agile mindset with hands-on Scrum or Kanban experience</li><li>Fluent English — written and verbal</li><li>Interest in and practical exposure to AI-assisted development tooling</li></ul>Nice to Have <ul><li>SOAP service integration and legacy modernisation experience</li><li>Graylog or equivalent observability/logging platform</li><li>German language skills (beneficial, not mandatory)</li><li>Architecture certifications (TOGAF, AWS/Azure/GCP)</li></ul>The Details <ul><li>Location: Budapest, Hungary — remote-first, occasional on-site</li><li>Start: TBC — targeting candidates available within 2–3 months (Q3 2026)</li><li>Duration: 12 months, extension highly likely</li><li>Workload: 100%</li><li>Languages: English essential; German a bonus</li><li>EU work authorisation required</li></ul>To apply: jamaine.agyepong@xcede.de

Freelance Solution Architect / Solution Designer New Technology Hub | Budapest, Hungary | Hybrid

Hungary (occasional on-site) | 📅 Duration: 12 months | 💼 Contract / Freelance Are you a backend-strong Java developer who thrives in agile, microservice environments? We're placing Java Full Stack Developers into a growing tech hub in Hungary — working on mission-critical systems in the telecommunications sector. This is a remote-first role with real flexibility alongside technically interesting work. What You'll Be Doing <ul><li>Design and develop backend services using Java (Java 21), Spring, and Spring Boot</li><li>Build and integrate REST APIs for internal and external systems</li><li>Design scalable microservice architectures</li><li>Work with PostgreSQL (including JSONB)</li><li>Contribute to frontend development with JavaScript/TypeScript and Angular or React</li><li>Write unit tests using JUnit; manage builds with Maven</li><li>Collaborate with product owners, architects, and DevOps in agile Scrum/Kanban teams</li><li>Apply Apache ecosystem tools where relevant</li></ul>What You'll Bring <ul><li>Proven Java backend development experience (Java 21 preferred)</li><li>Strong knowledge of Spring and Spring Boot</li><li>REST API development and integration experience</li><li>Solid PostgreSQL knowledge (JSONB a bonus)</li><li>Microservice architecture design and implementation</li><li>Frontend experience: JavaScript/TypeScript Angular or React</li><li>JUnit, Maven, and modern CI/CD practices</li><li>Agile mindset — Scrum or Kanban experience</li><li>Fluent English (German not required)</li><li>Interest in and exposure to AI tools</li></ul>Nice to Have <ul><li>Telecommunications sector experience (strong advantage)</li><li>Kubernetes & Helm</li><li>SOAP service integration</li><li>Graylog for logging and monitoring</li><li>Kafka / Apache streaming experience</li></ul>The Details Location: Hungary (Budapest or surrounding area) Start: TBC — targeting candidates available in 2–3 months Duration: 12 months, extension likely Workload: 100% Languages: English essential; German not required EU work authorisation required To apply: jamaine.agyepong@xcede.de

Freelance Telco Java Full Stack Developer — Hungary (occasional on-site) | 📅 Duration: 12 months  | 💼 Contract / Freelance

​Jamaine has more than 5 years of Technical Recruitment experience with most of his expertise being in Cybersecurity and Senior Leadership. He is now a Principal Cybersecurity Recruiter focussed in the niche cybersecurity area of Identity & Access Management for our DACH partners. Jamaine is also  an advocate for Diversity & Inclusion including Neurodiversity.

Freelance Telco Java Full Stack Developer — Hungary (occasional on-site) | 📅 Duration: 12 months | 💼 Contract / Freelance

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Jamaine Agyepong

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