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        4 Permanent API jobs in Hounslow + 20 miles

        Associate Director, Engineering (Education)

        IRIS Recruitment
        Slough (SL3)
        Competitive plus bonus and benefits
        Ensure scalable, API-first, cloud-native platform design * Strong understanding of DevOps, SRE, API architecture and AI integration
        Ensure scalable, API-first, cloud-native platform design * Strong understanding of DevOps, SRE, API architecture and AI integration
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        FEATURED
        We are seeking an experienced T24 Technical Specialist to join a dynamic international banking technology team in Central London. This is an excellent opportunity for a technically strong professional with deep expertise in Temenos Transact (T24) to play a key role in supporting, enhancing, and evolving a critical core banking platform. This is an in-house, end client role with exceptional career security, progression & stability. Location: Central London (Hybrid: 4 days office / 1 day home) Salary: £66,000 per annum starting salary + bonus & very good corporate bank benefits package - Job title: Temenos Transact (T24) Systems Developer. The Role - You will act as a subject matter expert for T24, ensuring smooth day-to-day operations, driving system improvements, and supporting integrations across the bank’s IT landscape.
        We are seeking an experienced T24 Technical Specialist to join a dynamic international banking technology team in Central London. This is an excellent opportunity for a technically strong professional with deep expertise in Temenos Transact (T24) to play a key role in supporting, enhancing, and evolving a critical core banking platform. This is an in-house, end client role with exceptional career security, progression & stability. Location: Central London (Hybrid: 4 days office / 1 day home) Salary: £66,000 per annum starting salary + bonus & very good corporate bank benefits package - Job title: Temenos Transact (T24) Systems Developer. The Role - You will act as a subject matter expert for T24, ensuring smooth day-to-day operations, driving system improvements, and supporting integrations across the bank’s IT landscape.
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        FEATURED
        We are seeking an experienced Systems Engineer with strong expertise in enterprise IoT infrastructure, server engineering, and networking to support and implement IoT/OT solutions for a global financial services environment. This is not a traditional Windows Administrator or L1 support role. The position requires L2 to early L3 technical depth, combining architectural understanding with hands-on implementation, troubleshooting, and operational support across devices, networks, servers, SaaS platforms, and security frameworks. The role supports enterprise-grade IoT deployments, including device configuration, patch testing, secure integrations, and rollout activities, while working closely with internal teams, vendors, and stakeholders. Key Responsibilities * Support and implement enterprise IoT/OT device infrastructure, including configuration, maintenance, patching, and ...
        We are seeking an experienced Systems Engineer with strong expertise in enterprise IoT infrastructure, server engineering, and networking to support and implement IoT/OT solutions for a global financial services environment. This is not a traditional Windows Administrator or L1 support role. The position requires L2 to early L3 technical depth, combining architectural understanding with hands-on implementation, troubleshooting, and operational support across devices, networks, servers, SaaS platforms, and security frameworks. The role supports enterprise-grade IoT deployments, including device configuration, patch testing, secure integrations, and rollout activities, while working closely with internal teams, vendors, and stakeholders. Key Responsibilities * Support and implement enterprise IoT/OT device infrastructure, including configuration, maintenance, patching, and ...
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        38 exact matches jobs are outside your preferred location

        This is a hands-on quality engineering role responsible for designing, executing, and maintaining automated and manual tests for backend and API-driven systems in a financial services environment. * Working knowledge of test automation frameworks and tools (e.g., API automation, backend test frameworks, or UI automation where applicable).
        This is a hands-on quality engineering role responsible for designing, executing, and maintaining automated and manual tests for backend and API-driven systems in a financial services environment. * Working knowledge of test automation frameworks and tools (e.g., API automation, backend test frameworks, or UI automation where applicable).
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        The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments.
        The organisation's website operates on a headless architecture using Contentful CMS, with the front-end hosted on Vercel, and integrates with CRM, analytics, and internal systems through API-driven services. * Design and implement API-driven integrations between core systems including CRM, website platforms, marketing tools, analytics environments, and internal databases, ensuring systems operate as a connected digital ecosystem. * Experience building API-driven integrations between enterprise platforms including CRM systems, web platforms, marketing systems, and analytics environments.
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        PREMIUM
        Define and deliver the roadmap for horizontal platform capabilities serving all private markets asset classes including core data services, cross-fund analytics, workflow automation, and API infrastructure. * Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. * Experience with API-first product design and developer experience (DX) programs.
        Define and deliver the roadmap for horizontal platform capabilities serving all private markets asset classes including core data services, cross-fund analytics, workflow automation, and API infrastructure. * Familiarity with data architecture concepts: data modeling, ETL pipelines, API design, and event-driven systems. * Experience with API-first product design and developer experience (DX) programs.
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        Large Scale Solar Electrician

        Astute Technical Recruitment Ltd
        Reading (RG1)
        £38000.00 - £48000.00 per annum + Van, fuel card, bonus & more
        Astute's Renewables team is very proudly partnered with a huge player in the global solar market. We have a focus on the UK market for them and we're actively looking for a Solar Technician / Field Solar Engineer to join the team. The client delivers varying services, from O&M to full design and system integration. This position is field based and we're looking for a Solar Technician / Solar Engineer with a basic salary of up to £48,000 and you'd also receive a hugely impressive benefits package. Large scale / utility scale solar experience is key in achieving the top end of the salary bracket. If you're a Solar Technician or Solar Engineer looking to work for a key organisation in the market, then submit your CV to apply today. Responsibilities and duties of the Field Solar Engineer role * Planned and reactive works across a variety of ground mount solar assets
        Astute's Renewables team is very proudly partnered with a huge player in the global solar market. We have a focus on the UK market for them and we're actively looking for a Solar Technician / Field Solar Engineer to join the team. The client delivers varying services, from O&M to full design and system integration. This position is field based and we're looking for a Solar Technician / Solar Engineer with a basic salary of up to £48,000 and you'd also receive a hugely impressive benefits package. Large scale / utility scale solar experience is key in achieving the top end of the salary bracket. If you're a Solar Technician or Solar Engineer looking to work for a key organisation in the market, then submit your CV to apply today. Responsibilities and duties of the Field Solar Engineer role * Planned and reactive works across a variety of ground mount solar assets
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        Freshfields is undergoing an exciting period of digital transformation, and we are looking for an Innovation Engineer to help us accelerate it. This is a high-impact, hands-on role for someone who loves to build, experiment, and turn innovative ideas into working solutions that make a meaningful difference across our global firm. Working within our Innovation team, you will rapidly prototype, develop, and iterate new tools, workflows, and AI-powered solutions helping our people work smarter, faster, and more effectively. If you thrive in fast-moving environments, enjoy collaborating across teams, and have a passion for creating real, usable technology, wed love to hear from you. Working at Freshfields - Youll join a fast-paced, globally connected team focused on shaping the future of legal work. We work in a hybrid model, collaborating with colleagues across time zones, and ...
        Freshfields is undergoing an exciting period of digital transformation, and we are looking for an Innovation Engineer to help us accelerate it. This is a high-impact, hands-on role for someone who loves to build, experiment, and turn innovative ideas into working solutions that make a meaningful difference across our global firm. Working within our Innovation team, you will rapidly prototype, develop, and iterate new tools, workflows, and AI-powered solutions helping our people work smarter, faster, and more effectively. If you thrive in fast-moving environments, enjoy collaborating across teams, and have a passion for creating real, usable technology, wed love to hear from you. Working at Freshfields - Youll join a fast-paced, globally connected team focused on shaping the future of legal work. We work in a hybrid model, collaborating with colleagues across time zones, and ...
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        Summary - Posted: 18 Mar 2026Weekly Hours: 35 - Role Number:200650956-2114Apple is a place where extraordinary people gather to do their best work. Together we create products and experiences people once couldnt have imagined - and now cant imagine living without. If youre motivated by the idea of making a real impact, and joining a team where we pride ourselves in being one of the most diverse and inclusive companies in the world, a career with Apple might be your dream job! You will become a member of the Sales Finance team at Apple. With approximately 150 employees based across 4 regional hubs within EMEIA (Europe, Middle East, India and Africa), we create value, collaborating with many teams to provide outstanding commercial and financial support. We set the bar high; go out of our way to help others; share knowledge; filter out noise to focus on the essential; encourage ...
        Summary - Posted: 18 Mar 2026Weekly Hours: 35 - Role Number:200650956-2114Apple is a place where extraordinary people gather to do their best work. Together we create products and experiences people once couldnt have imagined - and now cant imagine living without. If youre motivated by the idea of making a real impact, and joining a team where we pride ourselves in being one of the most diverse and inclusive companies in the world, a career with Apple might be your dream job! You will become a member of the Sales Finance team at Apple. With approximately 150 employees based across 4 regional hubs within EMEIA (Europe, Middle East, India and Africa), we create value, collaborating with many teams to provide outstanding commercial and financial support. We set the bar high; go out of our way to help others; share knowledge; filter out noise to focus on the essential; encourage ...
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        Big banks and enterprises use our API, which means our search and validation engines need to be lightning-fast and bulletproof, even when our biggest partners turn on the tap.
        Big banks and enterprises use our API, which means our search and validation engines need to be lightning-fast and bulletproof, even when our biggest partners turn on the tap.
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        Create API-first integration layers for internal teams and external partners * Design and evolve an API-first integration platform enabling internal teams and external partners to build and integrate services efficiently
        Create API-first integration layers for internal teams and external partners * Design and evolve an API-first integration platform enabling internal teams and external partners to build and integrate services efficiently
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        Experience managing teams building APIs in TypeScript/Node.js (NestJS, Express, GraphQL/Apollo); the crews API layer is TypeScript-based. * Familiarity with observability tooling (Datadog, Prometheus, Grafana) and API gateway management (Kong). * Experience managing teams serving both internal platform consumers and external API clients (dual-interface API patterns).
        Experience managing teams building APIs in TypeScript/Node.js (NestJS, Express, GraphQL/Apollo); the crews API layer is TypeScript-based. * Familiarity with observability tooling (Datadog, Prometheus, Grafana) and API gateway management (Kong). * Experience managing teams serving both internal platform consumers and external API clients (dual-interface API patterns).
        more
        Mentor engineers in secure-by-design patterns, client-side security, and secure API design. * Experience with developing and maintaining web-focused tooling and automation (Burp extensions, custom scanners, authenticated API fuzzers, GraphQL mutation explorers, Puppeteer/Playwright scripts).
        Mentor engineers in secure-by-design patterns, client-side security, and secure API design. * Experience with developing and maintaining web-focused tooling and automation (Burp extensions, custom scanners, authenticated API fuzzers, GraphQL mutation explorers, Puppeteer/Playwright scripts).
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        Meet the Moment with Alteryx - We're living through a once-in-a-generation shift in how work gets done. Data, automation, and AI are quickly becoming the center of every business decision - and Alteryx is leading the transformation. You'll be working on the challenges that sit at the heart of modern business. No matter your role, the work you do will help organizations move faster, see more clearly, and tackle questions that used to feel impossible. If you're ready to meet the moment with innovation, curiosity, and excellence, there's a place for you here. Why Join Us? At Alteryx, youll help some of the worlds most data-driven organizations modernize their analytics with AI, automation, an cloud data platforms. This is an opportunity to work at the center of analytics transformation, helping customers connect data, scale decision-making, and unlock value from modern cloud and ...
        Meet the Moment with Alteryx - We're living through a once-in-a-generation shift in how work gets done. Data, automation, and AI are quickly becoming the center of every business decision - and Alteryx is leading the transformation. You'll be working on the challenges that sit at the heart of modern business. No matter your role, the work you do will help organizations move faster, see more clearly, and tackle questions that used to feel impossible. If you're ready to meet the moment with innovation, curiosity, and excellence, there's a place for you here. Why Join Us? At Alteryx, youll help some of the worlds most data-driven organizations modernize their analytics with AI, automation, an cloud data platforms. This is an opportunity to work at the center of analytics transformation, helping customers connect data, scale decision-making, and unlock value from modern cloud and ...
        more
        Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. As a Senior Forward Deployed Engineer, you'll sit at the intersection of engineering and client impact, the person who turns the legal industrys most complex challenges into working software. You'll embed with our most demanding clients, move from prototype to production quickly, and feed what you learn back into our platform and roadmap. This isn't a support role or a solutions role with some coding on the side. You'll design and build end-to-end, work directly with client technical teams, and ship code that real lawyers rely on.
        Clio is the global leader in legal AI technology, empowering legal professionals and law firms of every size to work smarter, faster, and more securely. We are transforming the legal experience for all by bettering the lives of legal professionals while increasing access to justice. As a Senior Forward Deployed Engineer, you'll sit at the intersection of engineering and client impact, the person who turns the legal industrys most complex challenges into working software. You'll embed with our most demanding clients, move from prototype to production quickly, and feed what you learn back into our platform and roadmap. This isn't a support role or a solutions role with some coding on the side. You'll design and build end-to-end, work directly with client technical teams, and ship code that real lawyers rely on.
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        Frequently Asked Questions

        How many permanent API jobs are there in Hounslow?
        There are 4 permanent API jobs within 20 miles of Hounslow available on JustEngineers right now.

        What other similar jobs are there to permanent API jobs in Hounslow?
        As well as permanent API jobs in Hounslow, you can find permanent Engineering, Management, Software Development, amongst many others.