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Fintech • Payments • Software • Financial Services
The Senior Back-End Developer will lead backend feature ownership, design modules, ensure service security, and collaborate cross-functionally, leveraging extensive experience in software development and crypto technology.
Top Skills:
Apache KafkaAWSDockerGitJavaScriptKubernetesMemcachedNest.JsNode.jsNoSQLRabbitMQRedisSQLTypescript
Fintech • Payments • Software • Financial Services
The Senior Back-End Developer will own features, design modules, ensure security, and improve services while collaborating across teams in a finance-focused environment.
Top Skills:
Apache KafkaAWSCi/CdDockerFigmaGitJavaKotlinKubernetesMemcachedNoSQLRabbitMQRedisSQL
Agency • Information Technology • Marketing Tech
The Lead Backend Developer will architect and lead a team in developing a scalable retail ecosystem backend, focusing on microservices and AWS infrastructure, ensuring quality and security while providing hands-on coding and team management.
Top Skills:
AWSAws CdkCi/CdJavaMicroservicesPostgresSpring Boot
Superside is seeking an experienced and visionary Lead Engineer to spearhead the development of cutting-edge technology that impacts the creative industry. We are a leading AI-powered creative service company working with some of the largest companies in the US.
As a Lead Engineer, you will play a crucial role in driving our projects forward and establishing best practices within our technical team. This role is perfect for a highly skilled engineer who is both a leader and a team player.
What You’ll Do:
- Lead the development of secure, scalable product features, including chat, staffing, project management, and design collaboration tools.
- Collaborate closely with product managers, UX designers, and other engineers to create seamless and innovative customer experiences.
- Guide the technical direction, create and contribute to technical specifications, and develop testing/rollout plans.
- Mentor other less-experienced engineers, promoting a culture of active participation and innovative problem-solving.
- Drive continuous improvement through performance enhancement and implementing best practices in coding and database management.
- Spearhead important technical discussions and decisions, shaping the future of our technology and products
- Encourage continuous learning and technical growth within the team.
- Report to the Engineering Manager and work cross-functionally to influence business and product strategy.
What You’ll Need to Succeed:
- Proven leadership experience in modern web development and backend frameworks.
- 5+ years of experience with Kotlin and Spring or comparable backend technologies.
- Strong expertise in unit, functional, and end-to-end testing strategies.
- Demonstrated ability to think critically and solve problems creatively and effectively.
- Excellent English verbal and written communication skills.
- Highly self-motivated with an independent, autonomous work style.
- Passionate about learning and willing to continuously develop new skills.
- Excitement and willingness to build product enhancements with a use of AI.
What you need to know about the London Tech Scene
London isn't just a hub for established businesses; it's also a nursery for innovation. Boasting one of the most recognized fintech ecosystems in Europe, attracting billions in investments each year, London's success has made it a go-to destination for startups looking to make their mark. Top U.K. companies like Hoptin, Moneybox and Marshmallow have already made the city their base — yet fintech is just the beginning. From healthtech to renewable energy to cybersecurity and beyond, the city's startups are breaking new ground across a range of industries.


