5 back end engineer jobs found

Back End Engineer (contract) Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes. Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months Start date: ASAP, Immediate starter Working Patterns: Full-time, 1 day p/w in London-offices. Essential: Confident working across data infrastructure, distributed systems, APIS and AI-services Proven experience in building/designing scalable Back End services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node and SQL. Nice to have : Docker, ECS, Kubernetes or similar container platform experience Familiarity with Django frameworks and IaC (eg Terraform) Experience with the deploying...

Back-end Engineer (contract) Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes. Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months Start date: ASAP, Immediate starter Working Patterns: Full-time, 1 day p/w in London-offices. Essential: Confident working across data infrastructure, distributed systems, APIS and AI-services Proven experience in building/designing scalable backend services Strong experience building and maintaining APIs (REST, GraphQL and/or gRPC). Knowledge of Docker and AWS (ideally in a recent project) Essential - must have strong coding skills in Python, Typescript, Node and SQL. Nice to have : Docker, ECS, Kubernetes or similar container platform experience Familiarity with Django frameworks and IaC (e.g. Terraform)...

BI/Data Engineer As a BI/Data Engineer, you will provide specialist technical expertise to develop, enhance and support our outbound bordereaux reporting solution. Working closely with the Actuarial, Product, Data & MI teams, you will improve data quality, implement new reporting requirements and automate manual processes to deliver accurate, timely and efficient bordereaux submissions to our capacity providers. You will take ownership of understanding the existing solution, analysing business requirements, developing robust data validation processes and delivering scalable reporting solutions while ensuring knowledge is documented and transferred at the conclusion of the engagement. Essential Experience Proven experience developing bordereaux reporting solutions within the insurance industry. Strong experience as a BI Developer or Data Engineer. Hands-on experience working with the Acturis Back End database. Advanced SQL skills including stored procedures, views,...

ML Engineer (Early Career - Mid-level) New contract role | Immediate starter - Just in! Opus have partnered with an cutting-edge AI focused HealthTech start-up with a mission-driven culture and ethical AI approach. The successful candidate will be making a real impact to patient care outcomes. Contract Specifics: Rate: £400 per day, Outside IR35 Duration: 3 months Start date: ASAP, Immediate starter Working Patterns: Full-time, 1 day p/w in London-offices. Person Specification: - Solid skills in Python, SQL and AWS. - Background in Software Engineering/Data Engineering | Previous Back End work is nice to have - Experience working with ML models (productisation, not just for research/prototyping) Nice to have: - A deeper understanding on ML Models/ML Data Science from an API perspective (GraphQL, gRPC, REST) - Start-up or HealthTech experience. This is an urgent requirement, please reach out ASAP to Adam Akhtar today (17th July) to...

Senior Software Engineer - Kotlin & Coroutines. £500/day LTD CO OUTSIDE IR35. 100% REMOTE. An interest in AI (Agentic AI, AI tooling, Claude, Codex or Co-Pilot) highly advantageous but not essential. We are looking for a Senior Backend Engineer (Kotlin & Coroutines essential) to build the integrations that connect AI companion with senior care and hospital software platforms. In this role, you will design, build, and maintain robust Back End services and integrations that enable seamless data exchange between the company and partner systems. You'll take end-to-end ownership of integration projects-from discovery and architecture through implementation, deployment, and continuous improvement. Key Responsibilities for the Kotlin & Coroutines Developer are: Design, develop, and maintain integrations between my clients platform and third-party healthcare and senior care software systems. Build scalable, secure, and maintainable Back End services and APIs using...