Back End Developer (Sheffield x3 days)

Synechron is looking for an experienced, hands-on, high-impact Back End Developer to work with a leading global financial institution. You will become the crucial link between infrastructure and development — understanding pain points, designing elegant solutions, and shipping tools that make other engineers faster and happier. This role is based in Sheffield x3 days a week.

Role:

• Partner with Product Owners to deeply understand requirements and break them down into focused, deliverable items.
• Design and build robust, scalable microservices with high observability and supportability, following DevOps and Agile principles.
• Own your deliverables end-to-end — from design through deployment — and hit agreed timelines.
• Provide rapid, effective production support; perform root cause analysis on incidents and drive long-term fixes that stick.
• Act as a trusted technical consultant for platform users, resolving queries and unblocking teams with speed and clarity.
• Collaborate closely with cross-functional IT teams and coordinate stakeholder activities to keep the platform evolving.
• Proactively manage technical debt and keep security and vulnerability posture sharp.
• Mentor junior developers, share knowledge generously, and champion a high-performing team culture.

Experience:

• 8+ years of software engineering experience, with at least 3 years in a leadership or technical lead role focused on DevOps, Platform Engineering, or SRE.
• Solid understanding of how the internet and HTTP work under the hood — DNS, TLS, load balancing, reverse proxies, service meshes, and API gateways — and how these come together in modern microservice architectures.
• Strong programming ability (structured and OOP) in one or more of: Java, JavaScript, Python, or Clojure.
• Hands-on experience with monitoring and observability tools such as Grafana and InfluxDB; familiarity with time-series databases and data visualisation concepts.
• Proven experience managing critical production incidents under pressure.
• Excellent communication and collaboration skills; comfortable working with cross-functional and geographically distributed teams.
• Demonstrated ability to rapidly learn new technologies and drive self-development and knowledge sharing within the team.

Long term contract - Inside IR35 - Strong market rates - X3 days in Sheffield a week.

Diversity Statement:

Synechron are proud to be an equal opportunity employer. Our Diversity, Equity, and Inclusion (DEI) initiative ‘Same Difference’ is committed to fostering an inclusive culture – promoting equality, diversity and an environment that is respectful to all. We encourage applicants from across diverse backgrounds, race, ethnicities, religion, age, marital status, gender, sexual orientations, or disabilities to apply. We offer flexible workplace arrangements, mentoring, internal mobility, learning and development programmes to support our global workforce. Empowerment and collaboration are at the core of how we operate. All employment decisions at Synechron are based on business needs, job requirements and individual qualifications, without regard to the applicant’s gender, gender identity, sexual orientation, race, ethnicity, disabled or veteran status, or any other characteristic protected by law.