Senior Full-Stack Engineer (f/m/d)

Awin

PURPOSE OF POSITION Weʼre looking for an experienced Senior Software Engineer to support our Enterprise Integrations team, and achieve excellent service for our customers. You Working within one of our agile Engineering teams, this role reports to an Engineering Manager. You will collaborate closely with other engineers, and product managers to design, build, and maintain secure, scalable, and well-tested software for our award-winning marketing platform. You are responsible for writing clean, secure and well-tested code. You follow best-practice guidelines and help to improve those guidelines, your code is open by default and easy for others to reuse. You are part of a team and with the team extend, maintain and operate assigned parts of our platform.  You coach and mentor more junior colleagues, participate in knowledge-sharing activities both within your team and the wider Engineering practice. You will guide your team by establishes standards, best practices, and policies. You have a good understanding of the user needs within your service and work with the product owner and other team members to translate these into technical solutions. You work through the entire lifecycle of a service or product, from understanding requirements, development to deployment, support and maintenance. You show an understanding for deadlines, find pragmatic solutions and are proactive in raising potential risks. You will help the team in solving the challenges that arise as our business grows and develops; working together to ensure the service continues to meet the needs of our business and its customers. The Team  You will be joining Team Coral in our Advertiser Tribe, part of the Growth Domain. This team are dedicated to providing bespoke solutions to integrate their systems with our own. As a team responsible for whose work d delivering some of the most in-demand features for our customers, To understand their needs and pains, youʼll occasionally have contact with our customers, and your work here will be visible. Every change you make can have a positive impact on our customers. Team Coral practice scrum and youʼll have the opportunity to bring new ideas to the team whether this is introducing alternative ways to solve problems, enhancements to our ways of working, or bringing new insights to your teammates in the best practices for a new technology. Along with access to the OʼReilly learning platform, hackathons, and cross-team initiatives, will provide plenty of opportunities to learn and gain experience from people in the many other teams across the engineering department at Awin. Skills & Expertise Soft Skills  The skills and expertise listed below are as important to us as the soft skills that you have. We are interested in someone who is open, enthusiastic, and is interested in positively contributing to the culture of the team. We are passionate about continuous improvement, and are seeking someone who can demonstrate a growth mindset and how they have learnt from mistakes. In Team Coral, we value everyoneʼs opinion and experience as much as we value delivering and team cohesion, and we consider a challenge and commit mindset to be crucial to balance these. Hard Skills Required * At least 6 years of hands-on Java experience in commercial Software Engineering roles. * Good experience working with front-end code, ideally using Angular. * Extensive experience in developing cloud software using: * AWS services - Lambda, ECS, DynamoDB, Opensearch * Terraform for writing Infrastructure as Code scripts * Typescript * Java v21 with Maven, and Spring Boot v3 Docker * Understanding of relational database design principles, SQL query optimisation, and proficiency in SQL and non-relational databases like DynamoDB. * Experience and an enthusiasm for using and finding new ways to use AI tools to augment software development practices. * Experience using Git for source control. * Passion for writing elegant code and a desire to constantly refactor and improve, with a good understanding of the SOLID principles. * Expertise in designing and implementing RESTful APIs within a microservices architecture. * Ability to conduct a thorough code review process, write unit tests and maintain CI/CD pipelines. * Familiar with agile processes, Scrum or Kanban. Experience in monitoring applications (preferably using Cloudwatch and Datadog). Nice to have * Experience with low-latency, high availability systems. * Knowledgeable about information security, able to design and implement solutions with mitigation against security threats. * Knowledge of TDD and Pair Programming practices. * Experience working with PHP, including building and maintaining web applications. * Experience with cache solutions such as Redis, Memcached, or other. * Experience with streaming and queuing solutions (ideally Kafka, Kinesis or SQS). Our Offer * Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week at full pay and with no reduction to your annual holiday allowance. We also offer a variety of different paid special leaves. * Remote Working Allowance: You will receive a monthly allowance to cover part of your running costs. In addition, we will support you in setting up your remote workspace appropriately. * Flexi-Office: We offer an international culture and flexibility through our Flexi-Office and hybrid/remote work possibilities to work across Awin regions * Meal Vouchers: You will be supported with a certain net sum to spend it on a variety of lunches. * Health & Wellbeing: The insurance covers several types of health, vision and / or dental treatments for you and for up to one additional family member. * Remote Working Furniture Package: After 3 months of employment, you will be eligible for a furniture package, which should enable you to set up a proper workplace at your remote working location * Appreciation: Thank and reward colleagues by sending them a voucher through our peer-to-peer program. Established in 2000, Awin is proud of our dynamic, social and inclusive culture. Like all businesses, we’ve had to adapt and nurture our culture in a virtual environment. Our virtual ‘Life @ Awin’ hub brings our colleagues from across the globe together for various social activities. Diversity & Inclusion are paramount to us, and we proudly pursue and hire diverse team members. We champion uniqueness and authenticity; this is who we are at our core. Our network of affiliate partnerships are diverse and transparent, as are the employees powering our vision to build the world’s leading open partner ecosystem. We welcome all backgrounds, identities, and experiences. If you need support at any point in the application or interview process, please let us know. Awin is part of the Axel Springer group. Learn more at axelspringer.com/en/, and explore the Axel Springer Essentials here: axelspringer.com/en/inside/the-essentials-what-we-have-adapted-and-why   Apply now to begin the next stage of your career at a progressive company that supports both your professional and personal development. #LI-RS1

Awin

PURPOSE OF POSITION Awin's Product Development department is responsible for all stages of the product lifecycle - from ideation to market release, ongoing operation and continuous improvement. Working within one of our agile Engineering teams, this role reports to an Engineering Manager. As a Senior Software Engineer, you will be a technical leader within the team - driving architectural decisions, owning complex technical initiatives, and raising the engineering bar across the team and beyond. As a Senior Software Engineer, writing SOLID, secure & well-tested code is a given. You bring deep commercial experience across your technical stack and a strong understanding of infrastructure, platform engineering and cloud-native patterns. You are comfortable navigating ambiguity, making pragmatic trade-offs, and communicating technical direction to both engineers and stakeholders. You are a passionate and innovative technologist with a proactive, quality-first approach to development and keen to gain exposure to the latest development practices and toolsets within an interactive and fun development environment. We value fresh perspectives, continuous personal growth, diversity and a healthy work-life balance. For example: we have a 4-day week at full salary. The Core Team is a platform team in the Developer Platform domain. Its mission is to provide central services around our core entities and systems that make it easier for Product Teams to build functionality on top of. The team provides these "as a service" through clear APIs, documentation and support - focusing on creating a smooth developer experience for other teams. The team also focuses on topics like standardisation, re-use and reducing duplicated effort across the department. As a Senior Engineer in this team, you will play a key role in shaping the platform's infrastructure direction - including API gateways, load balancers, authentication flows, and container orchestration - ensuring our platform is reliable, secure and scalable. AS A SENIOR SOFTWARE ENGINEER, YOU WILL: * Drive technical design and architectural decisions for platform services and infrastructure * Own and deliver complex technical initiatives from concept to production * Work in a small agile team, contributing to planning, reviews and retrospectives * Design, build and improve applications with a focus on infrastructure, reliability and developer experience * Mentor and support fellow engineers * Collaborate with other teams to define API contracts and drive adoption of platform services * Work with Product Managers and the Engineering Manager to shape the technical roadmap * Troubleshoot and resolve complex production issues; participate in on-call rotations TO BE SUCCESSFUL YOU WILL NEED TO MEET THE BELOW REQUIREMENTS: * 5+ years of commercial Software Engineering experience * Strong experience with Java, Maven/Gradle, RESTful APIs, and thorough testing practices * Solid experience with AWS cloud services and infrastructure (ECS, Fargate, ALB, API Gateway, Lambda, DynamoDB) * Hands-on experience with Infrastructure as Code, specifically Terraform * Experience with containerisation and orchestration (Docker, ECS/Fargate) * Understanding of networking concepts: load balancing, API gateways, DNS, TLS/SSL * Understanding of user and client authentication and authorisation flows (OAuth2, OIDC, JWT) * Proven ability to lead technical discussions, make architectural decisions and drive them to completion * Comfortable with on-call responsibilities and incident response * Proficient in using AI-assisted development tools (e.g., Cursor, Claude Code, GitHub Copilot) to accelerate delivery and improve productivity ALTHOUGH NOT REQUIRED, WE WOULD BE EXCITED IF YOU HAD EXPERIENCE WITH SOME OF THE BELOW: * Service mesh concepts and technologies * Observability and monitoring (CloudWatch, distributed tracing, structured logging) * CI/CD pipeline design and optimisation Our Offer * Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week at full pay and with no reduction to your annual holiday allowance. We also offer a variety of different paid special leaves. * Remote Working Allowance: You will receive a monthly allowance to cover part of your running costs. In addition, we will support you in setting up your remote workspace appropriately. * Flexi-Office: We offer an international culture and flexibility through our Flexi-Office and hybrid/remote work possibilities to work across Awin regions * Meal Vouchers: You will be supported with a certain net sum to spend it on a variety of lunches. * Health & Wellbeing: The insurance covers several types of health, vision and / or dental treatments for you and for up to one additional family member. * Remote Working Furniture Package: After 3 months of employment, you will be eligible for a furniture package, which should enable you to set up a proper workplace at your remote working location * Appreciation: Thank and reward colleagues by sending them a voucher through our peer-to-peer program. Established in 2000, Awin is proud of our dynamic, social and inclusive culture. Like all businesses, we’ve had to adapt and nurture our culture in a virtual environment. Our virtual ‘Life @ Awin’ hub brings our colleagues from across the globe together for various social activities. Diversity & Inclusion are paramount to us, and we proudly pursue and hire diverse team members. We champion uniqueness and authenticity; this is who we are at our core. Our network of affiliate partnerships are diverse and transparent, as are the employees powering our vision to build the world’s leading open partner ecosystem. We welcome all backgrounds, identities, and experiences. If you need support at any point in the application or interview process, please let us know. Awin is part of the Axel Springer group. Learn more at axelspringer.com/en/, and explore the Axel Springer Essentials here: axelspringer.com/en/inside/the-essentials-what-we-have-adapted-and-why   Apply now to begin the next stage of your career at a progressive company that supports both your professional and personal development. #LI-RS1

Awin

Purpose of the Position We are hiring a Software Engineer for the AI Solutions team to design, build and operate the backend systems, APIs and cloud-native services that power Awinʼs next-generation AI-native products. You will deliver production-grade features used by advertisers, publishers and partner managers to improve discovery, automation and decision-making through conversational experiences and intelligent workflows. This role combines strong backend engineering with practical exposure to AI-enabled application development. You will focus on building reliable, secure and maintainable systems that integrate LLMs and AI workflows into production, while collaborating closely with Senior AI Engineers, Data Engineers, Senior Software Engineers and Product Managers. The Team You will be joining the AI Solutions team in our Growth Domain. This team is responsible for building AI-native products and capabilities across the organisation. Our work is highly visible and every feature you ship can have a direct impact on how our customers operate and grow affiliate programs. The team works across conversational AI, intelligent automation, AI-assisted discovery etc., We partner closely with Product Managers, UX, Data Engineering and platform teams to move ideas from experimentation into reliable production systems. Our engineering culture is built on pragmatic problem solving, strong ownership, fast iteration and building production-ready systems with a strong operational mindset. We care deeply about reliability, observability, maintainability and delivering measurable customer value. Weʼre cloud-first on AWS, working primarily with a Python-based backend stack alongside modern AI tooling and infrastructure. The team practices Scrum and youʼll have the opportunity to contribute ideas, improve engineering practices and work closely with experienced engineers across AI, backend and platform domains. Along with access to learning platforms, hackathons and cross-team initiatives, you will have opportunities to grow your expertise in backend engineering, cloud-native systems and modern AI-enabled product development. What Youʼll Do * Design, build and operate scalable backend services and APIs for AI-enabled applications and workflows. * Collaborate with Senior AI Engineers and Data Engineers to integrate AI capabilities and LLMbased workflows into production systems. * Develop cloud-native services using Python and frameworks such as FastAPI on AWS with ECS, Lambda, RDS, S3 and ElastiCache/Redis. * Support AI orchestration and intelligent agent workflows, including inference pipelines, tool integrations and scalable AI workflow patterns. * Build and maintain CI/CD pipelines, automated testing and release processes.  * Improve observability and operational excellence through logging, monitoring, distributed tracing, alerting and production troubleshooting. * Participate in system design discussions, code reviews and architecture reviews. * Optimise backend services for performance, scalability, resilience and cost-efficiency.  * Work closely with Product Managers and cross-functional teams to translate user problems and business requirements into technical solutions. * Contribute to engineering culture through collaboration, ownership, knowledge sharing and continuous improvement. What Youʼll Bring * 3+ years of professional experience building backend systems and APIs in production environments. * Strong Python development skills and experience with frameworks such as FastAPI, Flask or similar. * Solid backend engineering fundamentals including API design, distributed systems, concurrency, caching and performance optimisation. * Experience working with AWS services such as ECS, Lambda, RDS, S3 and ElastiCache/Redis. * Infrastructure as Code experience using Terraform or Terragrunt. * Experience with PostgreSQL, Redis, Docker and CI/CD tooling such as GitHub Actions. * Working knowledge of Java and/or TypeScript with the ability to understand, contribute to or integrate with services and applications built using those technologies. * Understanding of observability, monitoring and operational best practices for production systems. * Ability to debug and troubleshoot issues across APIs, infrastructure and application services. * Strong collaboration and communication skills within agile product teams. * Interest in AI-enabled applications and willingness to work across backend, infrastructure and AI integration layers. Nice to Have * Implement and maintain Infrastructure as Code using Terraform and Terragrunt. * Exposure to AI/LLM application development or orchestration frameworks such as LangChain or LangGraph.  * Experience working with Angular for frontend integrations or internal tooling. * Familiarity with LangSmith or similar tracing and observability platforms. * Exposure to conversational AI systems, agent-based workflows or retrieval-augmented generation (RAG) concepts. Our Offer * Flexi-Week and Work-Life Balance: We prioritise your mental health and wellbeing, offering you a flexible four-day Flexi-Week at full pay and with no reduction to your annual holiday allowance. We also offer a variety of different paid special leaves. * Remote Working Allowance: You will receive a monthly allowance to cover part of your running costs. In addition, we will support you in setting up your remote workspace appropriately. * Flexi-Office: We offer an international culture and flexibility through our Flexi-Office and hybrid/remote work possibilities to work across Awin regions * Meal Vouchers: You will be supported with a certain net sum to spend it on a variety of lunches. * Health & Wellbeing: The insurance covers several types of health, vision and / or dental treatments for you and for up to one additional family member. * Remote Working Furniture Package: After 3 months of employment, you will be eligible for a furniture package, which should enable you to set up a proper workplace at your remote working location * Appreciation: Thank and reward colleagues by sending them a voucher through our peer-to-peer program. Established in 2000, Awin is proud of our dynamic, social and inclusive culture. Like all businesses, we’ve had to adapt and nurture our culture in a virtual environment. Our virtual ‘Life @ Awin’ hub brings our colleagues from across the globe together for various social activities. Diversity & Inclusion are paramount to us, and we proudly pursue and hire diverse team members. We champion uniqueness and authenticity; this is who we are at our core. Our network of affiliate partnerships are diverse and transparent, as are the employees powering our vision to build the world’s leading open partner ecosystem. We welcome all backgrounds, identities, and experiences. If you need support at any point in the application or interview process, please let us know. Awin is part of the Axel Springer group. Learn more at axelspringer.com/en/, and explore the Axel Springer Essentials here: axelspringer.com/en/inside/the-essentials-what-we-have-adapted-and-why   Apply now to begin the next stage of your career at a progressive company that supports both your professional and personal development. #LI-RS1