Senior Software Engineer

JobsCloseBy Editorial Insights

Joining Awin as a Senior Software Engineer, you’ll be part of the Billing & Payments tribe, owning how customers are billed and partners are paid, and you will design and operate AWS based microservices with Java/Spring, Node.js, and Kafka. The role demands ownership, a pragmatic, collaborative mindset, and a commitment to clean code, solid testing, and scalable architectures, plus a strong focus on CI CD and incident response. To apply, highlight 6+ years of software engineering with SOLID fundamentals, REST and event driven designs, relational and NoSQL databases, and cross functional collaboration with Product and UX. Emphasise fintech or billing experience, Node.js TypeScript skills, and readiness to work onsite in London while leaning into Awin’s flexible, inclusive culture.

Purpose of the Position

As a Senior Software Engineer, you will be part of a cross-functional, service-oriented team, working on extending and maintaining our Affiliate Marketing platform. You design and build reliable services by writing clean, secure, and well-tested code, following modern engineering best practices.

In this role, you have a significant impact on system efficiency, technical quality, and team effectiveness. You take ownership of meaningful challenges, balancing technical excellence with sustainable product and business needs, and contribute to a collaborative, agile way of working.

The Team

You’ll join our Billing & Payments tribe, owning a core domain of the business: how customers are billed and partners get paid. Our engineering culture values pragmatic solutions, automation, strong ownership, and continuous improvement supported by open feedback loops.

We are moving towards a cloud‑first architecture with a strong focus on AWS, working with technologies such as Java/Spring, AWS Lambda, Node.js, Kafka, SQL/NoSQL databases, and more.

Key Tasks

• Work within a small, collaborative team using agile methodologies and practices
• Take ownership of applications across the full lifecycle, from design and implementation to operation
• Proactively identify improvement opportunities and technical risks, helping shape technical direction
• Solve real business problems by translating requirements into scalable technical solutions
• Support an effective agile way of working by helping facilitate team ceremonies and workshops
• Mentor engineers through code reviews, knowledge sharing, and day-to-day collaboration
• Troubleshoot and resolve production issues, ensuring service reliability and operational stability
• Communicate effectively in writing and verbally with local and remote colleagues and stakeholders

Whilst the above outlines the general expectations of the role, we expect this position to evolve over time, offering opportunities to gain deeper knowledge and experience within the online and affiliate marketing domain.

Skills & Expertise

• 6+ years of professional software engineering experience
• Strong foundation in OOP and comfort working with multiple programming languages, ideally incl. Java/Spring
• Passion for clean, maintainable code with a strong understanding of SOLID principles
• Hands-on experience designing AWS-based systems, microservices with REST APIs, and event-driven architectures
• Focus on engineering quality through code reviews, testing, and test strategy improvement
• Responsibility for maintaining CI/CD pipelines for reliable, automated software delivery
• Confident use of Git or similar version control systems in a collaborative environment
• Solid understanding of relational databases, data modelling, and SQL
• Familiarity with non-relational databases like DynamoDB, MongoDB
• Basic knowledge of web technologies and modern frontend frameworks, ideally Angular
• Proven collaboration in cross-functional teams with Product, UX, and Agile roles
• Extensive exposure to agile processes, particularly Scrum
• Interest in and practical use of AI tools to augment software development
• Experience with financial or billing-related systems is a plus
• Basic experience building Node.js services using JavaScript or TypeScript is beneficial

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.