Role Description We are looking for a dedicated candidate to build the next generation of Workforce Management for the entire Deutsche Telekom Technology domain, with the goal to digitize and optimize existing field service processes. - Work closely with POs, architects, and development/ops teams to support - Developing and maintaining Camunda Spring Boot workers - Apply bugfixes on backend - Write unit tests for new features - Participate in code reviews / merge requests - Mentor junior developers - Troubleshoot and analyze issues, bugs and incidents; help with root cause analysis - Contribute to choosing the proper automation technologies Qualifications - Strong experience in Java and Frameworks like Spring-Boot - General backend knowledge (REST APIs, microservices) - Solid experience with Git and GitLab (branching, merge requests, etc.) - Experience with relational databases - Fluent in English Requirements - Experience with BPMN (Camunda preferred) - DevOps experience - Docker, Kubernetes experience - Agile methodology knowledge (SAFe, LeSS) - German language Benefits - Please be informed that our remote working possibility is only available within Hungary due to European taxation regulation. Company Description As Hungary’s most attractive employer in 2025 (according to Randstad’s representative survey), Deutsche Telekom IT Solutions is a subsidiary of the Deutsche Telekom Group. The company provides a wide portfolio of IT and telecommunications services with more than 5300 employees. We have hundreds of large customers, corporations in Germany and in other European countries. DT-ITS received the Best in Educational Cooperation award from HIPA in 2019, acknowledged as the the Most Ethical Multinational Company in 2019. The company continuously develops its four sites in Budapest, Debrecen, Pécs and Szeged and is looking for skilled IT professionals to join its team.

• Collaborate with cross-functional teams to develop, and maintain web applications from concept to deployment. • Develop and deploy server-side code using programming languages such as Python, Node.js, Java, C#, and others. • Implement database schemas, queries, and interactions with databases like MySQL, PostgreSQL, or MongoDB. • Integrate third-party APIs and services as needed for functionality and data exchange. • Write clean, maintainable, and efficient code, adhering to industry best practices and standards. • Conduct code reviews, identify areas for improvement, and maintain high code quality standards. • Implement security and data protection measures to safeguard user information and business data. • Troubleshoot and debug issues, providing timely resolutions to ensure smooth operation of web applications. • Participate in Agile development practices, including daily stand-ups, and retrospectives. • Stay updated on emerging technologies and industry trends to continuously improve our development processes and capabilities.

Role Description We’re looking for an experienced Senior .NET Developer to take ownership of our backend services including core Lambda functions, shared Ometria client library, Kafka producer logic, and backfill tooling. This is a hands-on engineering role requiring strong backend skills and deep experience with AWS serverless architecture. - Build, deploy, and maintain AWS Lambda services using .NET. - Develop and optimize serverless applications with best-in-class error handling, observability, and performance. - Integrate with third-party REST APIs (including pagination, retries/backoff, rate limiting, and secure authentication). - Implement Kafka producers with robust message delivery guarantees. - Own and evolve AVRO schemas, Schema Registry integration, and contract-first design. - Design and operate DynamoDB tables for state persistence, configuration storage, and application workflows. - Collaborate with cross-functional teams to deliver high-quality, scalable backend systems. Qualifications - Min Experience: 7+ years - Location: Remote (India) - Job Type: full-time Requirements - Must-have skills: .NET, AWS Lambda, KAFKA - Good-to-have skills: AVRO & Schema Registry, REST API Integrations, Amazon DynamoDB

• Design, develop, and maintain scalable software applications • Contribute to solution architecture, technical design decisions, and supporting documentation • Collaborate with product, data, and client teams to deliver high-impact solutions • Estimate work, manage deliverables, and meet deadlines across multiple projects • Write clean, efficient, and well-documented code • Perform code reviews, including identifying and addressing complex or high-risk issues • Mentor junior engineers and contribute to team development • Develop and maintain database objects and procedures • Implement and unit test features for client-specific deployments • Support production applications, troubleshoot issues, and ensure timely resolution • Adhere to best practices for code quality, performance, security, and change management • Participate in sprint planning and continuous improvement activities (e.g., retrospectives, lessons learned)