51 to 71 of 71 API Design Jobs in England

Backend Development Lead

Hiring Organisation
Oyster Consultant
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
evolve our stack and make constant improvements. Required Skills/Experience Strong C# development experience Experience with both .NET Core and .NET Web API Experience of building Microservices in .Net Core Experience using Message Based Architectures Experience using both SQL & NoSQL technologies Experience of API design Cloud ...

Technical Lead (AWS / PYTHON)

Hiring Organisation
Gleeson Recruitment Group
Location
Birmingham, West Midlands, West Midlands (County), United Kingdom
Employment Type
Permanent
Salary
£90000 - £102000/annum
responsibilities Define and evolve technical architecture in collaboration with enterprise architecture stakeholders Shape deployment, configuration and operational practices to drive consistency, automation and reliability Design and evolve AWS-based serverless microservices and APIs Make pragmatic architectural decisions that balance delivery pace, cost and long-term maintainability Ensure solutions … across the wider engineering function Essential Experience Strong hands-on backend development experience with Python Deep expertise in AWS serverless architecture , including: Lambda/API Gateway/S3/SQS/SNS/EventBridge/Step Functions Proven experience designing and delivering microservices and event-driven architectures Strong experience ...

Software Engineering Manager

Hiring Organisation
Leidos Innovations UK Limited
Location
Farnborough, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
exciting opportunity to use your experience supporting the Metropolitan Police contract. In this role, you will lead software engineering teams responsible for the design, development, and quality of applications and services. You will provide technical leadership and people management, ensuring engineering standards, best practices, and system integrity are consistently … date Managing interface changes and dependencies Maintaining traceability between ICDs and system requirements Collaborate with architects and technical leads on system design Ensure technical documentation is produced and maintained Support governance, compliance, and audit requirements Basic Qualifications Experience as a Software Engineering Manager or similar role Strong background ...

Ruby on Rails Backend Engineer

Hiring Organisation
Rise Technical Recruitment
Location
Fulham, London, United Kingdom
Employment Type
Permanent
Salary
£60000 - £80000/annum Private Healthcare + Holiday + Pensi
evolution of core Ruby on Rails operational platforms. Optimise PostgreSQL performance and Sidekiq background job efficiency. Manage secure third-party integrations and RESTful API design. Partner with Platform teams on AWS and CI/CD reliability. The Person: Deep experience with Ruby on Rails and OOP. Expert in PostgreSQL ...

Embedded Software Engineer

Hiring Organisation
4Square Recruitment Ltd
Location
Farnborough, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £65,000 per annum
testing processes. This role would suit someone who enjoys solving technical challenges and working across multiple layers of a modern embedded software stack. Responsibilities Design, develop, and maintain applications primarily in C++ Work within embedded Linux environments using Yocto or Buildroot Configure and optimise build systems using CMake Support … Linux build systems such as Yocto or Buildroot Strong experience with CMake Familiarity with CI/CD tools, ideally Jenkins Solid understanding of software design principles and testing practices Ability to work independently and proactively solve problems Nice to Have Experience with Docker or containerised environments Knowledge of networking ...

Lead Python Developer

Hiring Organisation
Total Recruitment Group
Location
South East London, London, United Kingdom
Employment Type
Permanent
Salary
£85,000
stuck into some genuinely interesting engineering. Think computational complexity, mathematical optimisation, and performance challenges at scale - a long way from your average API job. Requirements: 7+ years experience developing and maintain scalable Python/FastAPI back-end services Ideally worked with high-performance APIs for complex hierarchical data queries … code Lead technical planning by breaking down roadmap items into scoped engineering work, driving ADRs and setting standards for code quality, testing, and API design Collaborate cross-functionally with front-end, data engineering, modelling and product teams to deliver reliable, impactful features Line-manage a team ...

Senior Software Developer C and Linux

Hiring Organisation
System Recruitment
Location
Lymington, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£250 - £350/day
/Linux Software Developer for an initial 6 month contract Key Skills: Software Developer, Software Engineer, C, Linux, Autotools, LDAP, Active Directory, Terraform, OpenTofu, API Location: Hybrid but must be able to reach the office near Lymington - SO41 9AZ Rate: Negotiable Essential Skills Experience developing application code … equitant system initialisation frameworks and how they operate at a low level Understanding of secure configuration delivery and deployment auditability of newly provisioned systems API Design & Implementation (maybe): Experience/Familiarity with: Working with OpenAPI (Swagger) specifications to define service interfaces Implementing APIs in C or similarly ...

Senior Software Developer C and Linux

Hiring Organisation
System Recruitment
Location
Lymington, Hampshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£250 - £350 per day
/Linux Software Developer for an initial 6 month contract Key Skills: Software Developer, Software Engineer, C, Linux, Autotools, LDAP, Active Directory, Terraform, OpenTofu, API Location: Hybrid but must be able to reach the office near Lymington - SO41 9AZ Rate: Negotiable Essential Skills Experience developing application code … equitant system initialisation frameworks and how they operate at a low level Understanding of secure configuration delivery and deployment auditability of newly provisioned systems API Design & Implementation (maybe): Experience/Familiarity with: Working with OpenAPI (Swagger) specifications to define service interfaces Implementing APIs in C or similarly ...

Product Manager

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£80000 - £110000/annum
Technical Skills Required Data Tools: SQL, Python, Snowflake/Databricks, Tableau/Power BI. Frameworks: Agile/Scrum, MLOps, Data Governance, Metadata Management. Integration: API design, event-driven architecture, and data modeling. Randstad Technologies is acting as an Employment Business in relation to this vacancy. ...

Senior Firmware Engineer

Hiring Organisation
Smartbox Assistive Technology
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
budget and quality requirements, and coordinating others as needed. Firmware Architecture and Lifecycle: Develop reliable, portable firmware with a long-life cycle. Firmware Development: Design, develop and maintain embedded firmware in C for Zephyr RTOS and Embedded Linux, including board bring up, drivers and HALs. Code Quality and Standards … another scientific subject. 8+ years of experience in embedded software development in C. A strong knowledge of Computer Science fundamentals in data structures, algorithm design, problem-solving, and complexity analysis. A strong grounding in embedded software architecture, with a focus on maintainability, modularity, fault-tolerance and testability. Confident ...

Staff Software Engineer

Hiring Organisation
Hays Specialist Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£120,000 - £135,000 per annum
engineers across the organisation What you'll need to succeed 8+ years' experience in software engineering, with strong fundamentals in distributed systems and system design Proven background building and operating large-scale backend platforms in production Experience working within a product-led environment Hands-on experience with cloud-native … technologies, containers, and CI/CD pipelines Experience influencing technical direction across teams or domains Strong expertise in: Java Distributed systems architecture API design Performance optimisation and scalability Nice to have: Previous experience at Staff/Principal/Tech Lead level Exposure to high-volume, low-latency data ...

Software Developer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £585/day
complex risk calculations and high-throughput financial data processing. This is an environment where your technical expertise in Object-Oriented Programming (OOP) and API design will directly impact global operations and regulatory compliance. Key Responsibilities Engineering: Build scalable, testable, and maintainable applications using .NET Core and RESTful APIs … systems. Collaboration: Work alongside Quants, Risk Managers, and Front Office teams to translate business needs into technical reality. Architecture: Participate in high-level technical design and architectural discussions to evolve the platform. Requirements Technical Core: Extensive experience in C#, .NET, SQL Server, and CI/CD pipelines. Domain Expertise ...

Sitecore Technical Lead

Hiring Organisation
ThriveIT Systems
Location
City, Sheffield, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
with Sitecore architecture content modelling and multisite configurations Experience with Sitecore headless delivery JSS Experience Edge desirable Backend C NET development ASPNET Core RESTful API design and integration patterns Sitecore Helix architecture principles Experience with Azure or other cloud hosting environments is a plus Frontend Working knowledge ...

Sitecore Technical Lead

Hiring Organisation
ThriveIT Systems
Location
Sheffield, South Yorkshire, United Kingdom
Employment Type
Permanent, Contract
with Sitecore architecture content modelling and multisite configurations Experience with Sitecore headless delivery JSS Experience Edge desirable Backend C NET development ASPNET Core RESTful API design and integration patterns Sitecore Helix architecture principles Experience with Azure or other cloud hosting environments is a plus Frontend Working knowledge ...

Technical Lead (.NET)

Hiring Organisation
Oscar Associates (UK) Limited
Location
Northamptonshire, East Midlands, United Kingdom
Employment Type
Permanent
Salary
£75,000
Technical Skills: C#/.NET Microsoft SQL Server CI/CD pipelines Docker Angular RabbitMQ AI Development Tools Nice to have: Redis MongoDB REST API Design Azure Unit Testing Frameworks Benefits Package: Competitive base salary - £65k - £75k (DOE) Career Progression Flexi-Hours Onsite parking Exciting, and unique projects ...

Technical Architect - AWS

Hiring Organisation
TXP Technology x People
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 - £551 per day
rolling Start: ASAP Location: Fully remote Clearance: BPSS required The Role You'll be working within a large-scale public sector environment, helping to design and shape modern, scalable architectures that support critical government services. Required Experience Strong AWS architecture experience Event-driven architecture (e.g. Kafka or similar messaging … Public Sector experience , with a solid understanding of governance and assurance processes Experience with document-based data models (e.g. MongoDB) Strong knowledge of RESTful API design ...

IT Solutions Architect (Integration / Azure)

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
that supports business critical functions across the business. My client have migrated significant services to the cloud and now requires a lead architect to design and build the next generation of solutions including core finance and HR technology landscape, automating data flows, integrating systems, supporting in the delivery … real-time reporting and analysis, whilst driving a more mature awareness to data architecture and governance across the business. Responsibilities: - Lead the design and delivery of integrations across technology platforms and solutions. - Produce architectural documentation (HLDs, LLDs, diagrams, support guides). - Ownership of integration and application architecture in alignment ...

IT Integration Architect

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
that supports business critical functions across the business. My client have migrated significant services to the cloud and now requires a lead architect to design and build the next generation of solutions including core finance and HR technology landscape, automating data flows, integrating systems, supporting in the delivery … real-time reporting and analysis, whilst driving a more mature awareness to data architecture and governance across the business. Responsibilities: - Lead the design and delivery of integrations across technology platforms and solutions. - Produce architectural documentation (HLDs, LLDs, diagrams, support guides). - Ownership of integration and application architecture in alignment ...

Software Engineer

Hiring Organisation
Platform Recruitment
Location
City of London, Greater London, United Kingdom
Employment Type
Permanent
Salary
£90000 - £160000/annum
heavily backend-biased position but given the size of the team you will be working across the stack when needed Build scalable, performant systems Design and deliver end-to-end features with direct impact on customer value Work with product and ML teams to help translate abstract and complex … software function About you: Strong ability across scalable and performant systems You have a product mindset Statically typed language expertise Experience with API design Low ego and love of engineering Full details are available. Please don't hesitate to reach out for more information. ...

Lead Software Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
up to £650/ day Inside IR35
modern React/Next.js application at the core of the platform Contributing to micro-frontend architecture (Module Federation) Working closely with backend engineers on API design, data flow, and system integration Developing and integrating with .NET/C# backend services Deploying and supporting applications within AWS (CloudFront … working within micro-frontend architectures or similar scalable frontend patterns Good understanding of AWS and how applications are deployed and served Strong grasp of API-driven architecture and frontend/backend interaction Experience building scalable, high-performance platforms Comfortable operating as a senior, hands-on engineer within a product ...

Product Owner

Hiring Organisation
Robert Walters
Location
Solihull, West Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£65,000
plus bonus and a hybrid working model from the Solihull offices. Software Product Owner: Duties Product development and software knowledge is essential Design, implement automated systems & processes Lead key strategic software projects for customers Combination of building requirements from BA's, PM's and client-side leads Translate requirements … technical into key business outcomes Build rapport with developers and business stakeholders Strong knowledge of the software development lifecycle Software Product Owner: Technical Experience API Design Systems Architecture Server Operations The permanent role for a Software Product Owner will pay a salary range up to £65,000 plus ...