101 to 125 of 133 Contract Microservices Jobs

maintain backend services using Java and Golang Write clean, efficient, and well-documented code following best practices Build and consume RESTful APIs and microservices Collaborate with product managers, architects, and frontend developers Participate in code reviews and contribute to technical design discussions Optimize application performance, scalability, and reliability Troubleshoot, debug … environments Solid understanding of JVM internals and object-oriented design principles Experience with frameworks such as Spring/Spring Boot Familiarity with REST APIs, microservices architecture, and distributed systems Experience with relational and/or NoSQL databases (e.g., PostgreSQL, MySQL, MongoDB) Knowledge of version control systems (Git) Understanding of unit ...

locally in Manchester. Key Responsibilities: Backend Development (50%) Design, develop, and enhance backend services using TypeScript and NestJS . Build scalable APIs and microservices-based architectures to support business-critical applications. Implement secure authentication mechanisms, including MFA and Passkeys . Integrate with identity providers such as Auth0, Transmit Security … REST API development ; experience with NestJS preferred. Deep understanding of cloud security principles , including IAM, networking, and encryption. Experience with web services and microservices-based architectures . Excellent communication skills, capable of bridging technical and non-technical stakeholders. Familiarity with agile development methodologies; experience with Scrum is a plus. Passion ...

Salary: £525 per day What you'll actually be doing Writing production-grade code in a modern Java + React stack Building and supporting microservices-based architectures that are already live Designing, building and deploying RESTful APIs at scale Shipping changes to production frequently and safely Working closely with architects … software engineer, not just a coder Solid, recent Java experience ReactJS front-end experience in real-world applications Hands-on delivery within a microservices architecture Experience deploying to production at a high cadence Proven experience building and consuming RESTful APIs Schema design and database experience with PostgreSQL Nice to have ...

Senior Technical Architect £550pd - £650pd DOE (Inside IR35/Umbrella) 6 Month Initial Contract Milton Keynes (3 days in office) SC/DV Clearance ideally Are you a Senior Technical Architect looking for your next ...

Full Stack ( .NET/React) Developer Clearance - SC Remote Full Stack .NET developer - Visual studio 2022, .Net core 8, C#, Entity Framework 8, React, Typescript, Material -UI, Restful API's, SQL Server, Web UI and ...

forms and UI components Data capture and processing APIs feeding back into the pre-book funnel Tech Stack: Backend: Node.js, AWS (event-driven microservices), Lambda, DynamoDB Frontend: React, TypeScript Architecture: Microservices, event-based systems The team currently has stronger frontend coverage, so backend expertise is particularly valuable for this role. ...

this role, the Senior Go Developer will design, develop, and implement data-intensive applications across the full engineering lifecycle. You'll architect and deliver microservices-based systems using Go (Golang), AWS, Kubernetes, Docker, and Kafka, working closely with cross-functional teams to build scalable, reliable, and resilient platforms. … scale, data-driven applications Product-focused approach, ideally within fast-paced tech organisations (start-ups or scale-ups) Knowledge of Kafka, Cassandra, gRPC, and microservices is a strong advantage Open-source contributions are beneficial If you're a Senior Go Developer looking for a challenging 6-month contract with ...

scalable Back End services Strong hands-on experience in C#/.NET with experience building enterprise-grade applications Mandatory experience designing, developing, and maintaining microservices-based architectures Strong understanding of distributed systems, service-to-service communication, and fault tolerance Experience building RESTful APIs and integrating services across multiple systems Proficiency … version control and CI/CD pipelines Working knowledge of security best practices, authentication, and authorization Solid overall software development experience Proven experience delivering microservices-based systems in a production environment Hands-on experience in Golang and C#, with strong proficiency in Python Experience owning services end-to-end, from ...

Java/J2EE developer Chester - hybrid 12 month contract Inside ir35 Description: Develops, enhances, debugs, supports, maintains and tests software applications that support business units or supporting functions. These application program solutions may involve diverse ...

Title: Senior Java Developer Location: Manchester/Leeds - UK, (60% Hybrid) Pay Rate: Depends on Experience Type & Duration: Contract |12 Months Contract with InsideIR35 Job Description: Key Responsibilities: Join a multidisciplinary Agile team to work ...

Greetings! We are Hiring Location flexibility - UK, Bristol only 3 days/week mandatory Project duration- 12 months What we need from you/essential skills & experience: Extensive knowledge of writing secure scalable enterprise-grade ...

acceptance hardware (payment terminals) and software modules. Modernization: Drive the transition from legacy payment infrastructures to modern, flexible solutions (e.g., cloud-enabled, API-driven, microservices). Compliance & Security: Ensure all in-store payment flows adhere to strict security standards, including PCI-DSS, EMV, and SCA (Strong Customer Authentication). Stakeholder … technical consulting, or enterprise architecture. Domain Knowledge: Deep understanding of payment processing, clearing and settlement, authorization, reconciliation, and exception handling. Technical Expertise: Proficiency in microservices, API integration (RESTful), cloud platforms (AWS, Azure, GCP), and containerization. Message Standards: Expert knowledge of ISO 20022 messaging (including mapping and validation). Soft Skills ...

drive real impact. Working closely with an Engineering Manager and collaborating with cross-functional teams, the Backend Software Engineer will help shape and implement microservices-based architectures, while making use of modern technologies such as AWS, Kubernetes, Docker, and Kafka. You'll also focus on improving performance, reliability, and scalability … driven mindset and experience working in fast-moving, tech-focused organisations (e.g. start-ups or scale-ups) Additional skills with Kafka, Cassandra, gRPC, and microservices design are highly advantageous Open-source contributions are a plus This is an excellent opportunity for a Backend Software Engineer who thrives on tackling technical ...

world's largest institutional clients. What You'll Be Doing Architect & Build: Design and implement scalable, end-to-end features using a modern microservices stack. Technical Leadership: Act as a key decision-maker within the team, providing innovative solutions to complex engineering bottlenecks. Quality Champion: Drive excellence through rigorous code … thrives on complexity and high-performance systems: Java Authority: Advanced proficiency in Java is essential. Framework Expertise: Strong experience with Spring Boot and Microservices Architecture . Full-Stack Mindset: Comfortable navigating the entire stack to ensure optimal performance and user experience. Team Catalyst: Proven ability to manage team performance ...

world's largest institutional clients. What You'll Be Doing Architect & Build: Design and implement scalable, end-to-end features using a modern microservices stack. Technical Leadership: Act as a key decision-maker within the team, providing innovative solutions to complex engineering bottlenecks. Quality Champion: Drive excellence through rigorous code … thrives on complexity and high-performance systems: Java Authority: Advanced proficiency in Java is essential. Framework Expertise: Strong experience with Spring Boot and Microservices Architecture . Full-Stack Mindset: Comfortable navigating the entire stack to ensure optimal performance and user experience. Team Catalyst: Proven ability to manage team performance ...

Cloud: AWS native services (EventBridge, SQS, Lambdas). Architecture: Scalable, high-performance, event-driven systems. What You'll Do Drive Evolution: Take ownership of microservices and contribute to the transition toward AWS-native, event-driven architectures. Build the Experience: Develop end-to-end features that help customers discover, compare … development experience. Node.js & TypeScript Expertise: Strong proficiency in building and operating production-grade backend services. Frontend Fluency: Hands-on experience with modern React frameworks. Microservices Experience: A must-have understanding of distributed systems. Cloud Native: Familiarity with AWS (specifically SQS, Lambda, or EventBridge) is a significant plus. The Mindset ...

Senior Java Developer - Public Sector Our client, a UK Government Department , offers an exceptional opportunity for an experienced Java Developer in Leeds or Manchester in a hybrid working setting. Known for one of the largest ...

implement backend infrastructure to process crime data CSV files received from the police.- Develop APIs for secure data exchange between systems.- Build and deploy microservices for data ingestion and processing workflows.- Host and execute algorithms or data science models within backend services.- Ensure secure data handling and compliance with justice … tools to maintain system reliability and performance. Skills and Experience Required for the Senior Backend Developer: - Proven experience in backend development, ideally within a microservices architecture.- Proficiency in modern Java or Kotlin for backend development.- Strong knowledge of AWS infrastructure, including deployment, hosting, and service management.- Experience with secure data ...

policies. Work closely with senior business stakeholders to ensure technology strategy aligns with product offerings and regulatory requirements. Solution & Integration Architecture Design API-first, microservices-based integration solutions across core insurance platforms. Lead integrations between policy, billing, and claims systems (e.g. Guidewire ) and internal/external platforms. Oversee … policy, claims, billing, and underwriting systems . Hands-on Guidewire architecture experience (Integration, Edge APIs, GX, Messaging). Strong understanding of API-led architecture, microservices, and integration patterns . Experience leading architecture governance and working with senior stakeholders. Background in legacy transformation and data migration programmes . Nice to Have ...

Software Engineer (Java/Fintech) | London | 6-Month Contract Role: Backend Software Engineer Team: RegTech (Fintech Business Unit) The Stack Primary: Java (Expert level) & Microservices. Data: Cassandra, Hadoop, MySQL. Cloud: AWS (Kinesis, Step Functions, EC2 ...

Engineering mindset, Java, Gaia, S3, Kafka, Cockroach DB, Google gRPC (Remote Procedure Call), GVP (gvproxy), Terraform. Envoy reverse proxy with Rust for web assembly. Gaia on-Prem with GVP (gvproxy) security. Kubernetes. GCR (Google Container ...

I am working with a consultancy feeding into the public sector looking for 2x SC preferable Java developers. Inside IR35£400 per dayStart date - immediateEnd date - 29th April 2026Active SC preferred TDD and BDD. Java ...

Senior Java Developer - AI first - sought by trading company based in London - Contract (OUTSIDE IR35 - Remote option available for outstanding candidates) What We're Looking For Backend Engineering Expertise 8+ years of software engineering experience ...

I am recruiting for a Senior Technical Architect to be based in either Leeds or Newcastle-Upon-Tyne 3 days a week, 2 days remote. The role falls inside IR35 so you will need to ...

I am working with a consultancy feeding into the public sector looking for 2x SC preferable Java developers. Inside IR35 £400 per day Start date - immediate End date - 29th April 2026 Active SC preferred TDD ...