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59 Work From Home API jobs in Holborn, Central London + 20 miles
288 exact matches jobs are outside your preferred location
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Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions * Champion best practices in frontend engineering, testing, and CI/CD * Mentor and support teammates to raise the engineering
Senior Frontend Engineer (Next.js / React) High-Growth SaaS | Build Elegant, User-First Products - In partnership with Robert Half Limited. We're a high-growth SaaS company scaling fast, and we're looking for a Senior Frontend Engineer to join our team. This is a chance to shape products used by thousands of customers, working with modern tools and a team that values craftsmanship, speed, and impact. What You'll Do * Build and scale complex, high-performing web applications with Next.js and React * Collaborate with design and product to create polished, intuitive, responsive interfaces * Drive improvements in performance, accessibility, and scalability across platforms * Contribute to architecture decisions, code reviews, and design discussions * Champion best practices in frontend engineering, testing, and CI/CD * Mentor and support teammates to raise the engineering
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Lead Software Engineer - London (Hybrid 1x Per Month) Salary: Up to £100k + Benefits + Stock Options - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and fos
Lead Software Engineer - London (Hybrid 1x Per Month) Salary: Up to £100k + Benefits + Stock Options - About Us - Our client is a Insurtech Unicorn looking to expand their engineering team. With the opportunity to work on existing products which have generated millions in revenue to something new changing the landscape of the insurance world, this is the perfect opportunity for a results driven and growth focussed Senior engineer looking to start an ambitious business. The Role - We're seeking a Lead Fullstack Engineer to own the frontend architecture and elevate the B2C user experience across our digital products. This is a high-impact role requiring technical vision, hands-on expertise, and leadership to drive innovation in a rapidly evolving environment. As part of a cross-functional, agile team, you will shape the frontend roadmap, champion best practices, and fos
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Software Support Engineer
Software Support Engineer
S-SA Digital Recruitment Ltd
MK41, Bedford
From £32,000 to £38,000 per annum Excellent Benefits
Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
Bedford Hybrid (1 day a week office) £3038k + Benefits UK Only (ILR or above due to clearance) Join a leading SaaS company as a Software Support Engineer, helping customers get the best from their low-code, SaaS platform. Youll be the bridge between development and clients solving issues, supporting workflows, and delivering excellent service. * Software/Application Support experience (or relevant degree) * Knowledge of JavaScript, HTML, CSS, APIs * Strong communication & problem-solving skills * Customer-focused, logical, calm under pressure Nice to have: Low-Code, SaaS, DevOps, ITIL, Software Testing This is an exciting chance to build your career in tech with clear progression in a fast-growing SaaS business, offering hybrid working with 1 day a week in the office. Apply now with your CV for immediate interview!
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Data Consultant
Data Consultant
Fortice Ltd
London
From £45,000 to £80,000 per annum Open to candidates of all experience
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
London | Hybrid Working - Chance to join a specialist consultancy working with organisations across the UK Public Sector to deliver impactful digital transformation. We are looking for a talented Data Consultant with hands-on expertise in AWS and Python to join our growing London team. The Role - As a Data Consultant, you will work with public sector clients to design, build and deliver innovative data solutions. Youll help organisations harness their data through scalable cloud platforms, modern data engineering practices, and insightful analytics. This role combines technical delivery with stakeholder engagement, making it ideal for consultants who enjoy bridging the gap between data and strategy. Key Responsibilities * Design and implement data pipelines and architectures in AWS. * Develop solutions using Python for data integration, analysis, and automation.
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NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
NEW CONTRACT iOS DEVELOPER ROLE AVAILABLE - REMOTE (UK/EU-BASED) * Outside IR35 * 9-12 Month Initial Contract | Start ASAP | Likely Extension - A new contract opportunity for a skilled iOS Developer to build and deploy AI-powered fintech mobile apps. You will work on secure, high-quality solutions while integrating machine learning features such as NLP and recommendation systems. * Develop and deploy iOS apps (Swift / Objective-C, iOS SDK, App Store). * Integrate RESTful APIs and backend services into iOS applications. * Embed AI/ML features (NLP, recommendation engines) into mobile workflows. * Deliver compliant and secure fintech solutions (GDPR, OAuth, encryption). * Experience managing projects end-to-end (greenfield exp.) * Strong expertise in iOS development (Swift / Objective-C, iOS SDK, App Store deployment)
FEATURED
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Front End Games Developer - Hybrid Remote
Front End Games Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
OX4, Oxford
From £55,000 to £75,000 per annum + Bonus + Benefits
Front End Game Developer - Location:Home Based / 1 day per week in Oxford - Salary:Circa 55K 75K + Bonus + Benefits - Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
Front End Game Developer - Location:Home Based / 1 day per week in Oxford - Salary:Circa 55K 75K + Bonus + Benefits - Senior Front End Games Developerrequired by fast-growing, Top Tech Company! This is a diverse, challenging role in a talented team where youll be building cutting-edge casino slot games, driving feature development, shaping the architecture, and mentoring junior developers * At least 5yrs development experience * Games development experience * Mobile-first mindset * HTML5, TypeScript * PixiJS, Phaser or similar * WebGL or Canvas 2D APIs * Git or similar * Maths, statistics, or physics background * 3D development experience - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where youll be able to bring ideas, keep up-to-date with the latest technologies and enjoy a healthy work/life balance!
FEATURED
Senior Full Stack C# .Net Developer - Hybrid Remote
Senior Full Stack C# .Net Developer - Hybrid Remote
VERTECH GROUP (UK) LTD
OX4, Oxford
From £70,000 to £85,000 per annum + Bonus + Benefits
Senior Full Stack C# .Net Developer - Location:Home based / 1 day per month in Oxford - Salary:Circa 70K 85K DOE + Benefits - Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where
Senior Full Stack C# .Net Developer - Location:Home based / 1 day per month in Oxford - Salary:Circa 70K 85K DOE + Benefits - Senior Full Stack C# .Net Developerrequired by a well-established and fast-growing Top Tech company! This is a varied, challenging role building mission-critical, user-facing applications used at scale. Youll be developing new features, contribute to key technical decisions, and helping to shape the quality of code across the team * At least 5yrs development experience * Experience with high-traffic, responsive apps and sites * Expertise in C# .Net Core * RESTful APIs * TypeScript &JavaScript * Frameworks: Angular, Vue, or React * HTML5 and CSS3 * Familiarity with CI/CD tools * Version control: Git or similar * SQL Server & MySQL - Tremendous opportunity offering plenty of scope for career progression in a friendly, innovative environment where
FEATURED
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PowerBI Specialist (Contract) | £350-£450 p/day (Outside IR35) | 3 Months (strong possibility of extension) | ASAP - We're hiring on behalf of a fast-growing SaaS company that's looking for an experienced Power BI Specialist to take ownership of their reporting environment. This is a fully remote contract role, starting immediately. The client has a strong BI foundation in place, but they're now looking for someone who can streamline reporting, reduce maintenance, and optimise their use of Power BI at scale. Right now, customer-specific reports are managed individually (e.g. 45+ reports needing updates when a change is made). They want to consolidate, automate, and improve efficiency across their reporting suite. This is not a 'start from scratch' build - instead, you'll be reviewing what's already in place, identifying improvements, and implementing changes to drive
PowerBI Specialist (Contract) | £350-£450 p/day (Outside IR35) | 3 Months (strong possibility of extension) | ASAP - We're hiring on behalf of a fast-growing SaaS company that's looking for an experienced Power BI Specialist to take ownership of their reporting environment. This is a fully remote contract role, starting immediately. The client has a strong BI foundation in place, but they're now looking for someone who can streamline reporting, reduce maintenance, and optimise their use of Power BI at scale. Right now, customer-specific reports are managed individually (e.g. 45+ reports needing updates when a change is made). They want to consolidate, automate, and improve efficiency across their reporting suite. This is not a 'start from scratch' build - instead, you'll be reviewing what's already in place, identifying improvements, and implementing changes to drive
FEATURED
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Java Tech Lead Role (2+ years exp in Tech Lead Role) -Java 8+, Spring MVC, SpringBoot, REST API, AWS -Award-Winning UK based FinTech Company -Surrey- Hybrid - 4 days onsite / 1 day WFH -£80,000 - £90,000 (Depending on Experience) I am looking for an Experienced Java Tech Lead who has been leading successful Java teams and is looking for a new challenge - the core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
Java Tech Lead Role (2+ years exp in Tech Lead Role) -Java 8+, Spring MVC, SpringBoot, REST API, AWS -Award-Winning UK based FinTech Company -Surrey- Hybrid - 4 days onsite / 1 day WFH -£80,000 - £90,000 (Depending on Experience) I am looking for an Experienced Java Tech Lead who has been leading successful Java teams and is looking for a new challenge - the core tech stack is: Java 8+, Spring MVC, SpringBoot, REST API's and using build tools such as Maven/Gradle.
Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design.
Proficiency as a full stack Software Engineer, including front-end web development (CSS, HTML) and backend API design.
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SuiteCRM Developer - £420p/d Inside IR35 - Remote / UK Based
SuiteCRM Developer - £420p/d Inside IR35 - Remote / UK Based
Exalto Consulting ltd
London
£420p/d Inside IR35
Building and maintaining API integrations (REST/SOAP)
Building and maintaining API integrations (REST/SOAP)
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Experience with API design and development for both internal and external use cases
Experience with API design and development for both internal and external use cases
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We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
We are looking for a Staff Software Engineer to join Datadog's API Platform group. This team owns the infrastructure and tooling behind our public API surface, which spans more than 7,000 endpoints and supports a vast range of customers and integrations. As a Staff Engineer, you will have the opportunity to contribute to a broad set of projects across multiple teams that support API routing, reliability, web frameworks, and large-scale automation. You will collaborate with teams that build and evolve internal frameworks, traffic shaping and routing logic, reliability tooling, and developer enablement for API infrastructure. * Lead technical direction across multiple teams spanning API routing, rate limiting, frameworks, reliability tooling, and infrastructure automation. * Help define
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Knowledge of API testing and tools such as SoapUI or Postman.
Knowledge of API testing and tools such as SoapUI or Postman.
FEATURED
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Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
Lead the design and development of automated UI and API testing solutions using SpecFlow and Playwright, written in C# .NET.
NEWFEATURED
API Development and Management: You'll be responsible for building, securing, and monitoring APIs that are reliable and scalable
API Development and Management: You'll be responsible for building, securing, and monitoring APIs that are reliable and scalable
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Build with modern paradigms : Be comfortable delivering microservices architecture (API, GraphQL), and leverage AI to get things done
Our ideal candidate is an experienced and resourceful engineer, comfortable building relationships with other established product teams to understand where we can use existing learnings to influence decisions and align on approaches, collaborating with frontend engineers to guide and agree API behaviours and expectations through documented contracts, and working closely with product stakeholders to agree on MVP requirements.
Our ideal candidate is an experienced and resourceful engineer, comfortable building relationships with other established product teams to understand where we can use existing learnings to influence decisions and align on approaches, collaborating with frontend engineers to guide and agree API behaviours and expectations through documented contracts, and working closely with product stakeholders to agree on MVP requirements.
Familiarity with standard B2B protocols such as AS2, VDA, OFTP2, SFTP, FTPS, API, and VANs.
Familiarity with standard B2B protocols such as AS2, VDA, OFTP2, SFTP, FTPS, API, and VANs.
You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
You will specialise in designing web applications, middleware/API layer and AWS Cloud environments and develop proof of concepts whilst taking ownership for end-to-end technical project delivery.
Proficiency in API integration, data modelling, data migration, and experience with cloud-based architectures.
Proficiency in API integration, data modelling, data migration, and experience with cloud-based architectures.
Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations
Background in developing with C#, .NET, Web Services, Web Forms, MVC, JavaScript, jQuery, CSS, HTML, React, Web APIs and Visual Studio, API integrations
API Performance: fast response times, high uptime * Strong background in RESTful API design and implementation
API Performance: fast response times, high uptime * Strong background in RESTful API design and implementation
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Knowledge of document databases (MongoDB) and API interaction tools (such as Postman, or similar) * Experience with industry standard API Authentication/Authorization, including OAuth, OpenID Connect, SAML2
Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.
Our API-first platform provides fully automated validators, staking & DeFi protocols access, and comprehensive data and commission management.