51 to 75 of 77 Remote/Hybrid API Design Jobs

Senior Backend Engineer

Hiring Organisation
Daniel James Resourcing Ltd
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
role is well suited to someone who wants to remain technically hands-on while gradually taking on broader ownership and leadership responsibility. The role Design, build and extend backend systems using TypeScript and modern serverless patterns Develop and maintain APIs and integrations that power customer-facing and internal platforms … engineers to deliver end-to-end features Contribute to internal automation tools and operational workflows Balance rapid delivery with reliability, performance and maintainable system design About you 5+ years professional experience in backend or full-stack engineering Strong proficiency in TypeScript in production environments Solid understanding of API ...

Business Analyst

Hiring Organisation
Horwich Farrelly
Location
Salford, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
with business objectives. Map as-is and to-be processes, identifying automation opportunities and efficiency gains. Collaborate with developers and testers on data flows, API contracts, and test coverage. Support backlog refinement and prioritisation, ensuring stories are ready for sprint planning. Contribute to UX validation and user journey mapping … Azure AI/OpenAI. Experience with insurance or legal processes. Familiarity with Azure Dev Ops for capturing epics, features and user stories. Understanding of API design and basic technical concepts. About the team Robert Buxton, Product Owner, shares his perspective: "This BA role is all about bridging ...

Salesforce & React Native Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Inside IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ...

Salesforce &/ React Native Developer

Hiring Organisation
Atrium Workforce Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
IR35) Sector: Banking Key Skills & Experience Salesforce +5 years experience AND/OR React Native (Web) +5 years Java +5 years TDD, BDD RESTful API design & build OAS/YAML Unit Testing GitLab CI/CD Pipelines Agile practitioner, SonarQube, Veracode, Jira, Confluence Banking/Financial services background ...

C# Developer

Hiring Organisation
VIQU IT
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP 300 - 350 Daily
Developer: Must have a strong background in C#/.NET development. Experience of PostgresSQL or other SQL databases. CI/CD experience. Experience in API design and building system integrations. Microsoft Dynamics integration (highly desirable). Python and/or JavaScript experience (desirable). Excellent communication skills ...

C# Developer

Hiring Organisation
VIQU IT
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day Outside IR35
Developer: Must have a strong background in C#/.NET development. Experience of PostgresSQL or other SQL databases. CI/CD experience. Experience in API design and building system integrations. Microsoft Dynamics integration (highly desirable). Python and/or JavaScript experience (desirable). Excellent communication skills ...

C# Developer

Hiring Organisation
VIQU IT
Location
London, Coleman Street, United Kingdom
Employment Type
Contract
Contract Rate
£300 - £350/day
Developer: Must have a strong background in C#/.NET development. Experience of PostgresSQL or other SQL databases. CI/CD experience. Experience in API design and building system integrations. Microsoft Dynamics integration (highly desirable). Python and/or JavaScript experience (desirable). Excellent communication skills ...

AI Architect

Hiring Organisation
Lorien
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Hands-on technical skills in: Python (Azure SDKs, data workflows) C#/.NET (system integration) React (PoC and demo interfaces) Strong knowledge of: REST API design Azure AI pipelines and orchestration Cognitive Search (semantic, keyword, hybrid) OCR, KVP extraction and document layout analysis Experience building: Speech transcription solutions ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
maintainable code. This is an exciting opportunity to join collaborative and innovative startup with opportunities for professional growth and learning. What You’ll Do Design and develop high-throughput, low-latency APIs using Typescript/Node.js. Build and maintain real-time data ingestion and processing pipelines. Optimise backend services … delivery. Collaborate with front-end teams to power trading consoles and dashboards. Profile and tune Node.js applications for performance and memory efficiency. Ensure secure API design and compliance with data privacy regulations. Contribute to architecture discussions, code reviews, and documentation. Key requirements Strong experience with Node.js in production ...

Mid Laravel Software Engineer

Hiring Organisation
SystemsX
Location
Greater Cardiff Area, United Kingdom
Experience and understanding of Laravel & PHP (3+ years experience) Proficiency in writing maintainable, optimised and scalable code. Strong knowledge of object-oriented programming and API design. Experience with database management and advanced queries Technically minded - enjoy digging into data, analytics, and optimisations. Organised, independent, and results-focused — you thrive ...

Senior Developer

Hiring Organisation
Reed.co.uk
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£80,000 per annum
development experience. Proven success in high-performing engineering teams in fast-paced environments. Deep expertise in development with: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Nice to have experience with: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform … DevOps Experience building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with AWS platform. Track record of delivering high-quality software under tight timelines. Strong communication skills, able to motivate and align technical teams. Experience with AI tools, APIs ...

Salesforce Engineer

Hiring Organisation
Experis
Location
Knutsford, Cheshire, United Kingdom
Employment Type
Contract
delivery-focused technology team. The role requires strong hands-on development capability across Salesforce and Java, with a clear emphasis on modern engineering practices, API design, and test-driven development. This position is suited to a senior engineer who is comfortable working within CI/CD-driven environments … contributing to high-quality, scalable enterprise solutions. Key Responsibilities Design, develop, and maintain Salesforce-based solutions using Java and modern engineering practices Build and consume RESTful APIs, ensuring robust and secure integrations Apply Test-Driven Development (TDD) and Behaviour-Driven Development (BDD) approaches where applicable Produce and maintain OpenAPI ...

Android Technical Lead

Hiring Organisation
RealityMine
Location
Trafford Park, Greater Manchester, UK
Android apps and SDKs. The Role: This is a hands‐on role where you will: · Lead the technical direction for our Android solutions · Design and implement complex features, working with Kotlin, Java and C++/NDK to build reliable, high‐performance components · Stay ahead of Android OS & Google Play … changes and lead our response to them · Collaborate with product, data, and client teams to deliver robust solutions · Mentor other engineers, run design and code reviews, and champion best practices · Leverage and be open to AI-coding tools to increase productivity, reduce boilerplate and enhance code quality Our offices ...

Android Technical Lead

Hiring Organisation
RealityMine
Location
Trafford Park, England, United Kingdom
Android apps and SDKs. The Role: This is a hands‐on role where you will: · Lead the technical direction for our Android solutions · Design and implement complex features, working with Kotlin, Java and C++/NDK to build reliable, high‐performance components · Stay ahead of Android OS & Google Play … changes and lead our response to them · Collaborate with product, data, and client teams to deliver robust solutions · Mentor other engineers, run design and code reviews, and champion best practices · Leverage and be open to AI-coding tools to increase productivity, reduce boilerplate and enhance code quality Our offices ...

IT Integration Architect

Hiring Organisation
DGH Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£95,000
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 ...

Product Engineer

Hiring Organisation
SR2 | Socially Responsible Recruitment | Certified B Corporation™
Location
London Area, United Kingdom
product managers, engineers, and end users to understand new customer use cases Turn those use cases into reusable platform capabilities , rather than bespoke solutions Design and build scalable data models, workflows, and abstractions that work across multiple customers Build and extend AI-enabled workflows as part of the core … fully specified Nice to Have (Not Essential) Experience with modern data platforms (e.g. Databricks, Snowflake, dbt, Airflow, Foundry) Some exposure to backend development or API design TypeScript experience Familiarity with enterprise systems (ERP, CRM, etc.) Exposure to AI-enabled systems , generative AI, or workflow orchestration ...

Senior Android Engineer - Hybrid, £100K

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
share code with iOS. You’ll be joining a collaborative engineering group working on major new features, shaping technical discussions, influencing architecture and API design, and helping to evolve a category-defining product used across the UK, US and several new international markets launching in 2026. What they ...

CTO

Hiring Organisation
Leo Technology
Location
Petersfield, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
Seed to Series A) Hands-on expertise with OpenAI integrations or other LLM-based solutions Technical experience with Node.js, Python, and SQL Experience with API design and development for both internal and external use cases Knowledge of ISO/compliance Experience designing and scaling data pipelines and working ...

Senior Software Developer

Hiring Organisation
Reed
Location
Holborn, London, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
commercial software development experience. Proven success in high-performing engineering teams within fast-paced environments. Deep expertise in: Python (Django, Flask, or FastAPI) PostgreSQL (design, optimisation, maintenance) Containerisation (Docker/Kubernetes) Event-driven architecture (Kafka/RabbitMQ) Desirable experience includes: TypeScript/JavaScript (NextJS, NodeJS, Tailwind) Terraform and DevOps … practices Experience in building and scaling SaaS platforms in production. Strong background in software architecture, microservices, and API design. Hands-on experience with AWS platform. Excellent communication skills, capable of motivating and aligning technical teams. Experience with AI tools, APIs, or ML pipelines is highly desirable. Bonus: Exposure ...

Security Architect

Hiring Organisation
Macildowie Recruitment and Retention
Location
Solihull, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £82,000 per annum
role in designing, assuring and evolving secure technology solutions across the enterprise. This is a senior technical role where security is embedded by design and by default, enabling innovation while protecting confidentiality, integrity and availability of information assets. About The Security Architect Role: As Security Architect, you will … regulatory requirements into practical, scalable security architectures across systems, platforms and integrations. Key Responsibilities: Define, maintain and evolve security architecture principles, standards and patterns Design and assure security controls for new and existing systems, platforms and integrations Conduct security architecture reviews, risk assessments and threat modelling Provide pragmatic guidance ...

Senior Fullstack Engineer, Angular & NestJS (DeFi Wallet) (m/f/d)

Hiring Organisation
Bitpanda GmbH
Location
Wien, Austria
Employment Type
Permanent
Salary
EUR Annual
bring familiarity with smart contract development, hosting cryptonodes, Viem/Ethers.js, RPCs, or third-party blockchain data providers. Experienced with technologies such as Nest.js, API design, Kafka, Redis, PostgreSQL, Prisma, and/or reactive programming with RxJS; or, on the frontend side, frameworks like Ionic or Angular. Eager ...

Mulesoft Developer

Hiring Organisation
Bridge Recruitment UK Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Salesforce MuleSoft Developer (Hybrid Role) Were looking for an experienced Salesforce MuleSoft Developer to design, build, and maintain integrations between Salesforce and external systems. Youll work closely with cross-functional teams to deliver scalable, high-performance integration solutions aligned with business needs. What youll do: Design, develop, test … 3+ years Salesforce experience Strong background in software development and OOP Hands-on MuleSoft & Salesforce integration experience MuleSoft certification(s) Solid understanding of API design and integration best practices Bachelors degree in Computer Science, Engineering, or related field Salesforce ecosystem experience is a strong plus. ...

Backend Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
TypeScript will be valuable for occasional UI enhancements and bridging front-end requirements. Collaboration with cross-functional teams to implement best practices in API design, security, and performance tuning will be central to success. Additionally, you'll contribute to code reviews, documentation, and continuous improvement initiatives to maintain ...

Mid-Level Developer (Solo Lead)

Hiring Organisation
Anson McCade
Location
England, United Kingdom
platforms or tools, even if you have not used Nordcraft or Xano previously. • Solid understanding of core web development concepts, including security, performance, and API design. • Comfortable working as the sole engineer on a product while collaborating closely and communicating regularly with non-technical co-founders. • Experience working remotely ...

iOS Technical Lead

Hiring Organisation
RealityMine
Location
Trafford Park, Greater Manchester, UK
apps and SDKs. The Role: This is a hands‐on role where you will: · Lead the technical direction for our iOS solutions · Design and implement complex features, working with Swift, Objective-C and C++ to build reliable, high‐performance components · Stay ahead of iOS changes and lead our response … them · Collaborate with product, data, and client teams to deliver robust solutions · Mentor other engineers, run design and code reviews, and champion best practices · Leverage and be open to AI-coding tools to increase productivity, reduce boilerplate and enhance code quality Our offices are in Trafford Park, Manchester ...