1 to 25 of 56 Remote/Hybrid API Design Jobs

Senior Software Engineer

Hiring Organisation
ByteHire
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
London office About The Client: Our client is a rapidly growing Infrastructure-as-a-Service (IaaS) provider driving digital transformation. Key Responsibilities: Architecture & System Design Design and evolve scalable backend services and product components. Make sound architectural decisions across APIs, services, and data layers. Lead delivery from design … high coding standards and test coverage. Contribute to code reviews and documentation. Mentor engineers and support technical growth. Collaboration Work closely with Product and Design to deliver scalable solutions. Communicate technical trade-offs and manage cross-team dependencies. Essential skills and requirements: Strong experience building production backend systems ...

Full Stack Developer

Hiring Organisation
TGS International Group
Location
Hertfordshire, England, United Kingdom
FastAPI). A product-first mindset is essential, ensuring the entire stack delivers reliable, high-quality experiences. Key Responsibilities End-to-End Feature Development Design, develop, and deploy features across the full technology stack Translate product requirements into scalable technical solutions Build systems from database schema to backend services … using React and Next.js Optimize usability, performance, and responsiveness Implement polished UI elements including animations, accessibility improvements, and micro-interactions Collaborate with product and design stakeholders to deliver intuitive user journeys Backend Development & API Design Design and implement efficient backend services in Python Build scalable APIs ...

Lead Engineer - Java

Hiring Organisation
The Recruitment Company
Location
Galway, Galway County, Republic of Ireland
Employment Type
Permanent
Salary
£80000 - £95000/annum
Hybrid working model Global Organisation Your Responsibility Lead a team of engineers in the design, development, and delivery of scalable, high-quality digital applications and user experiences. Act as technical lead for an agile squad, driving collaboration within the team and across multiple engineering groups. Provide hands-on development … applications and backend services. Translate complex business requirements into efficient, scalable, and innovative technical solutions. Guide architectural decisions and ensure alignment with modern application design patterns and best practices. Mentor and support developers, fostering a strong learning culture and continuous improvement. Collaborate closely with cross-functional roles including product ...

Lead Software Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
development aligns with OWASP secure coding standards Contributing to CI/CD pipeline improvements and secure deployment practices Participating in architecture and technical design reviews Collaborating with UI/UX teams using Figma prototypes Maintaining high-quality technical documentation Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core … Entity Framework Core RESTful API design/OpenAPI/Swagger Angular 21 (mandatory) TypeScript/RxJS DevExpress DevExtreme v25 (mandatory) Microsoft Azure (App Services, SQL, Storage) Azure Entra ID Azure Key Vault Infrastructure as Code (Bicep preferred) CI/CD pipelines (Azure DevOps or equivalent) Bitbucket (Git) What ...

AWS Application Developer

Hiring Organisation
Fairfield Consultancy Services Ltd
Location
London, UK
Employment Type
Temporary
developer to support the development and deployment of the AWS Professional Supply Chain Command Centre solution. This role will focus on backend service development, API design, event tracking, and analytics integration across supply chain flows involving suppliers, manufacturing, and distributors. Location: London, UK (Hybrid) Contract role … experience in AWS backend development (Node.js, Lambda, ECS, Step Functions). Strong understanding of supply chain processes and event-driven architectures. Experience with API design, CI/CD pipelines, and AWS services like Neptune, RDS, DynamoDB, and S3 Familiarity with analytics tools and KPI frameworks for supply chain ...

AWS Application Developer

Hiring Organisation
Fairfield Consultancy Services Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£450 - £475 per day
developer to support the development and deployment of the AWS Professional Supply Chain Command Centre solution. This role will focus on backend service development, API design, event tracking, and analytics integration across supply chain flows involving suppliers, manufacturing, and distributors. Location: London, UK (Hybrid) Contract role … experience in AWS backend development (Node.js, Lambda, ECS, Step Functions). Strong understanding of supply chain processes and event-driven architectures. Experience with API design, CI/CD pipelines, and AWS services like Neptune, RDS, DynamoDB, and S3 Familiarity with analytics tools and KPI frameworks for supply chain ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 per annum
venture backed by the strength and stability of an established business. Key Responsibilities End-to-end development of high-quality, scalable SaaS platforms from design through deployment and maintenance. Architect and implement robust backend services primarily using Python and PostgreSQL. Develop and maintain responsive, performant front-end applications with … Provide technical mentorship and leadership to development teams, fostering best practices in coding, testing, and deployment. Participate in code reviews, architecture discussions, and system design decisions. Troubleshoot and resolve complex technical issues across the full stack. Ensure software security, scalability, and performance are maintained at all times. Keep abreast ...

Senior Software Engineer

Hiring Organisation
Tec Partners
Location
Braintree, Essex, Rayne, United Kingdom
Employment Type
Permanent
with architectural ownership, offering the opportunity to work on complex, real-world systems across IoT, cloud infrastructure, and large-scale data environments. Key Responsibilities Design, build, and operate scalable backend systems using Python (Django) and AWS Lead architectural decisions across performance, scalability, reliability, and security Design and evolve … APIs and data models for internal tools and customer-facing applications Drive IoT and device communication architecture across distributed systems Collaborate with product and design teams to translate real-world requirements into scalable solutions Contribute to frontend development using React and supporting infrastructure Build and optimise pipelines for ingesting ...

Integration Developer - Technical Lead

Hiring Organisation
MORGAN PHILIPS UK LIMITED
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
data services, and cloud platforms. You will own end-to-end integration architecture, champion modern engineering standards, and guide engineers through best practices in API design, cloud-native development, and scalable integration patterns. This is a hands-on leadership role, ideal for someone who enjoys coding, problem-solving … steering technical direction while mentoring engineers and collaborating with product, data, and platform teams. What You'll Be Doing Lead the design, development, and delivery of integration solutions across a diverse technology ecosystem Develop secure, scalable APIs, services, and messaging-based integrations Champion best practices in engineering, DevOps, automation ...

Senior Full-Stack Developer (Go / Golang)

Hiring Organisation
triSaaS
Location
United Kingdom
comfortable identifying problems and driving solutions independently. You will take end-to-end ownership of features, contributing across both backend and frontend to design, build, and deliver high-quality product experiences. In this role, you will primarily work on Purchase Warrior, helping to develop and scale the platform … platform used by thousands of businesses across the UK Opportunities for growth as the engineering team and platform continue to expand Key Responsibilities Design, build, and maintain scalable backend services and APIs Develop frontend features to deliver complete product functionality Take end-to-end ownership of features from design ...

Full Stack Engineer

Hiring Organisation
Cervus
Location
Greater Bristol Area, United Kingdom
Engineer to help us scale our data and analytics capabilities across the UK and international markets. In this role, you will contribute to the design, development and maintenance of the data pipelines, platforms and services that power Cervus’ analytics. Working closely with experienced engineers, analysts, and delivery teams … defence. You will also be encouraged to leverage modern AI tools to accelerate high quality, sustainable development. As a Full Stack Engineer, you will: • Design, develop, automatically test and maintain full-stack web applications with a focus on data pipelines, analytics dashboards, and reporting tools. • Build scalable RESTful APIs ...

Software Engineer

Hiring Organisation
Tec Partners
Location
Braintree, Essex, Rayne, United Kingdom
Employment Type
Permanent
platform that supports thousands of connected devices in the field. Key Responsibilities Develop and maintain scalable backend services using Python (Django) and AWS Design and build robust APIs and data models for both internal and customer-facing applications Work with IoT communication protocols (e.g. MQTT, HTTP) to integrate with … data Collaborate with cross-functional teams including hardware and edge engineering Troubleshoot and resolve production issues in a fast-paced environment Contribute to system design, architecture discussions, and technical decision-making Support end users and work closely with customer teams to deliver reliable solutions Essential Skills and Experience Strong ...

AWS Solution Architect (Senior Manager) London

Hiring Organisation
Anson Mccade
Location
United Kingdom
Employment Type
Permanent, Work From Home
Security Architecture Deep knowledge of IAM, encryption, compliance frameworks Ability to enforce security controls across cloud environments Integration Architecture Knowledge of event-driven patterns, API design, and hybrid connectivity Non-Functional Requirements Expert in designing highly available, fault-tolerant and resilient systems Experience with observability, monitoring, disaster recovery ...

Data Engineer

Hiring Organisation
Cortech Talent Solutions Ltd
Location
Glasgow, Scotland, United Kingdom
MUST apply via this advert ** We are looking for a AI engineer someone that is capable of deploying and maintaining infrastructure: Python (must) API design and frameworks FastAPI ideally (but Flask and Django, in said order, would indicate this) Experience with AWS ideally (Azure or GCP would … frameworks CI/CD GitHub actions (GitLab, TeamCity, CircleCI) This is data related software development, responsible for whole lifecycle and developed end point for API data pipeline. Must be able to write infrastructure code in terraform or AWS but can be taught. We design and develop across ...

Data Engineer

Hiring Organisation
Cortech Talent Solutions Ltd
Location
Glasgow, UK
MUST apply via this advert ** We are looking for a AI engineer someone that is capable of deploying and maintaining infrastructure: Python (must) API design and frameworks FastAPI ideally (but Flask and Django, in said order, would indicate this) Experience with AWS ideally (Azure or GCP would … frameworks CI/CD GitHub actions (GitLab, TeamCity, CircleCI) This is data related software development, responsible for whole lifecycle and developed end point for API data pipeline. Must be able to write infrastructure code in terraform or AWS but can be taught. We design and develop across ...

Senior Developer

Hiring Organisation
NearTech Search
Location
City of London, London, United Kingdom
agility with the backing of a well-established business. The Senior Back End Developer will... take ownership of backend engineering for a new API-first data intelligence platform. Role Highlights Design and build scalable backend systems from a true greenfield starting point Define architecture, balancing rapid delivery with … long-term scalability Develop API-first services for data-heavy, enterprise-grade applications Embed observability, metrics, and performance tracking from day one Collaborate within a small, high-autonomy team shaping a new product You Will Need Extensive backend development experience within data-driven B2B environments Strong programming skills ...

Senior Fullstack Engineer (Backend)

Hiring Organisation
Ronald James
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £95,000 per annum
Full Stack (Backend) Engineer who thrives on building clean, scalable systems quickly. You’ll play a key role in shaping our backend architecture—from API design and data pipelines to job processing and observability. What You’ll Do Design and build robust backend systems Architect scalable infrastructure … processing, analytics, and event tracking Build internal tooling for rate limiting, quotas, and authentication Design, develop, and maintain APIs and backend services Collaborate closely with product, design, and CX to deliver exceptional features Optimize for performance, security, and scalability Write clean, maintainable, efficient code Stay current with emerging ...

Technical Lead - TypeScript / Node.js

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£80,000
collaboration in a fast-moving startup environment. The RoleTechnical Strategy & Leadership Work alongside the founder to define and evolve the technical roadmap Lead architectural design and critical technology decisions Champion engineering best practices, code quality, and technical excellence Mentor, coach, and grow engineers at all levels Foster a culture … ownership, collaboration, and innovation Backend Architecture & Development Architect, build, and scale backend services and RESTful APIs Design, optimise, and maintain MongoDB database solutions Improve system reliability, performance, and scalability Resolve complex production issues with robust solutions Implement microservices and modern backend patterns Collaboration & Delivery Partner with Product, Design ...

Lead Software Engineer (MongoDB / Node.js / JavaScript)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
support junior and senior engineers Conduct code reviews and uphold engineering best practices Backend Engineering Build and maintain scalable backend services and RESTful APIs Design and optimise MongoDB database solutions Improve and maintain existing backend infrastructure Troubleshoot production issues and implement robust solutions Collaboration & Delivery Work closely with cross … have experience with: MongoDB (data modelling, indexing, aggregation, performance tuning) Node.js and the wider JavaScript/TypeScript ecosystem Express.js and/or Fastify RESTful API design AWS or similar cloud platforms Microservices architecture Testing frameworks (Vitest, Jest, Mocha, etc.) CI/CD pipelines & DevOps practices GitHub workflows Observability ...

Senior Full Stack Engineer

Hiring Organisation
Space Executive
Location
London Area, United Kingdom
shaping the future of the product. What you’ll be doing: • Designing and building scalable microservices using Node.js (Nest.js) and React • Driving an API-first architecture with strong focus on service-to-service communication and contract testing • Owning features end-to-end, from idea to production with a strong … What they’re looking for: • Strong experience building distributed systems/microservices architectures • Deep hands-on expertise with Node.js and React • Solid understanding of API design, event-driven systems, and contract testing • Experience working in fast-paced, ambiguous environments • Passion for automation, clean code, and solving real customer ...

Senior .Net Developer

Hiring Organisation
ISR RECRUITMENT LIMITED
Location
United Kingdom
Employment Type
Permanent
Salary
GBP 55,000 - 65,000 Annual
locally) c£55,000 to £65,000 per year Pension, Bonuses, Training and Development, etc. Skills and Experience: Expertise in C#, .NET Core, REST API design and backend architecture. Strong SQL skills with the ability to create performant, reliable database logic. Strong understanding of ORM patterns, data mapping … product and offshore teams. Experience integrating services into CI/CD pipelines (GitHub Actions or Azure DevOps). Familiarity with clean architecture, domain-driven design, or similar engineering patterns. Understanding of containerisation workflows (Docker) and AKS operational concepts. Mentoring experience or leadership within engineering teams. Exposure to API ...

Lead Developer

Hiring Organisation
Oscar Technology
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, "fail-fast" delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

Lead Developer

Hiring Organisation
Oscar Technology
Location
Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, "fail-fast" delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

Lead Developer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Warrington, Cheshire, North West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, 'fail-fast' delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...

Lead Developer

Hiring Organisation
Oscar Technology
Location
Newcastle Upon Tyne, Tyne and Wear, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
manual test strategies Documenting architectural decisions (ADRs) and maintaining clear technical communication Tech Stack & Experience Core technologies: .NET 10/ASP.NET Core Web API Entity Framework Core with Azure SQL .NET MAUI (offline-first mobile design) Microsoft Azure (App Services, Azure SQL, Blob Storage, Key Vault, Application Insights … years working within fast-paced, "fail-fast" delivery environments At least 2 years in a leadership position Strong expertise in modern .NET and API design Proven Angular experience (v15+) Hands-on Azure architecture and deployment experience Experience implementing Infrastructure as Code (Bicep preferred) Experience integrating Azure Entra ...