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Technical Product Manager API SaaS
Technical Product Manager API SaaS
Client Server
Shoreditch, East London (E1), EC2A
£95000 - £130000 per annum + benefits
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
You'll be embedded within delivery teams, UX and engineering and utilise your knowledge of software development to make trade-offs, steward the delivery process and close the gaps in requirements including producing technical documentation along with wireframes and API scaffolding where appropriate. Apply now to find out more about this Technical Product Manager (API SaaS) opportunity.
PREMIUM
Java Developer Kafka API - Tech Consultancy
Java Developer Kafka API - Tech Consultancy
Client Server
City of London (EC2A), EC2A
£80000 - £90000 per annum
Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90k
Java Developer / Backend Software Engineer (Kafka API) London / WFH to £90k
NEWPREMIUM
)
Software Developer - Full Stack
Software Developer - Full Stack
AWD Online
Hounslow (TW4)
From £35,000 to £40,000 per annum pro rata + Benefits
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
API Knowledge: Familiarity with RESTful APIs, microservices and integration patterns
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
Senior Full Stack Developer (TypeScript / Vue.js / C# / .NET) Fully Remote (UK-based) Contract Outside IR35 - Long-Term Contract - Competitive Day Rate - Were working with a well-established organisation undergoing a major platform transformation programme, and theyre looking to add an experienced Full Stack Developer to the team. This role will suit someone who enjoys owning features end-to-end, with strong frontend expertise while remaining comfortable working across APIs, databases, and backend services in a modern environment. What Youll Be Doing * Developing and enhancing customer-facing platforms and transactional systems * Building modern applications using Vue.js and TypeScript * Working closely with product, QA, and engineering teams to deliver new features * Investigating and resolving production issues across frontend, APIs, and databases
)
Shape integration architecture across API led, event driven and microservices patterns
Shape integration architecture across API led, event driven and microservices patterns
Champion the use of strategic platforms such as ENSEK Ignition and shared integration/API frameworks.
Champion the use of strategic platforms such as ENSEK Ignition and shared integration/API frameworks.
PREMIUM
Hands on design and architecture experience with SAP technologies such as : S/4HANA Finance, SAP FICO (FI/CO), SAP CFIN, Enterprise integrations and API, SAP MDG - Finance master data management and exposure to non-SAP technologies such as Blackline etc.
Hands on design and architecture experience with SAP technologies such as : S/4HANA Finance, SAP FICO (FI/CO), SAP CFIN, Enterprise integrations and API, SAP MDG - Finance master data management and exposure to non-SAP technologies such as Blackline etc.
)
Strong technical expertise across Marketing Cloud including SQL, AMPscript, SSJS, Automation Studio and API integrations
Strong technical expertise across Marketing Cloud including SQL, AMPscript, SSJS, Automation Studio and API integrations
)
Developer C#, .NET
Developer C#, .NET
Gold Group
East Grinstead (RH19)
£47500.00 - £52000.00 per annum + + benefits, Hybrid WFH
ASP.NET MVC4 / ASP.NET Core (MVC / API)
ASP.NET MVC4 / ASP.NET Core (MVC / API)
)
Software Fundamentals: Background in solid software engineering practices (Git, testing, design patterns, API development via FastAPI/Flask).
Software Fundamentals: Background in solid software engineering practices (Git, testing, design patterns, API development via FastAPI/Flask).
FEATURED
)
Integration & Automation Manager - Azure APIs
Integration & Automation Manager - Azure APIs
Randstad Digital
Watford (WD17)
£70000 - £90000 per annum
Azure API Management * Azure API Management experience.
Azure API Management * Azure API Management experience.
FEATURED
The business develops and operates a suite of high-traffic digital products, including web, mobile, and API-driven services used by millions of users globally.
The business develops and operates a suite of high-traffic digital products, including web, mobile, and API-driven services used by millions of users globally.
Build and maintain test automation frameworks covering UI, API, and service-level validation * Solid API and UI automation experience (e.g. Playwright, Cypress, or similar)
Build and maintain test automation frameworks covering UI, API, and service-level validation * Solid API and UI automation experience (e.g. Playwright, Cypress, or similar)
QA Engineering Lead SaaS
QA Engineering Lead SaaS
Client Server
Underhill Park, Reigate (RH2), RH2
£100000 - £130000 per annum + bonus + benefits
You have experience with C# test automation frameworks at all levels (unit, integration, API/system)
You have experience with C# test automation frameworks at all levels (unit, integration, API/system)
NEWPREMIUM
)
Lead Software Engineer
Lead Software Engineer
MARSH CORPORATE SERVICES LIMITED
City of London (EC3)
Pension, Medical, Life Insurance and much more
Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.
Strong backend engineering skills (API design, data modelling, performance) and experience building secure, role-based applications.
PREMIUM
)
API Integration (OData ideally)
API Integration (OData ideally)
NEW
)
Contract Data Architect GCP
Contract Data Architect GCP
Crosstide
The City, City of London (EC3), EC3V 3NB
Very competitive day rate
Data Architect / Principal Data Engineer (GCP) Contract: Initial 3 Months - Location: Fully Remote - Status: Outside IR35 - We are looking for a highly experienced Data Architect / Principal Data Engineer with deep, hands-on GCP expertise to support a major data transformation programme within a regulated financial services environment. This is not an advisory role. We need someone who has personally designed, built and owned enterprise-scale GCP data platforms in production and can lead both architecture and delivery. Key Requirements * 7+ years' hands-on experience with Google Cloud Platform (GCP) o BigQuery - o Dataflow - o Pub/Sub - o Python - o APIs and containerised services * Strong data architecture experience, including conceptual, logical and physical data modelling * Experience establishing governance frameworks, metadata management, data quality standards and AI-ready data foundations
Data Architect / Principal Data Engineer (GCP) Contract: Initial 3 Months - Location: Fully Remote - Status: Outside IR35 - We are looking for a highly experienced Data Architect / Principal Data Engineer with deep, hands-on GCP expertise to support a major data transformation programme within a regulated financial services environment. This is not an advisory role. We need someone who has personally designed, built and owned enterprise-scale GCP data platforms in production and can lead both architecture and delivery. Key Requirements * 7+ years' hands-on experience with Google Cloud Platform (GCP) o BigQuery - o Dataflow - o Pub/Sub - o Python - o APIs and containerised services * Strong data architecture experience, including conceptual, logical and physical data modelling * Experience establishing governance frameworks, metadata management, data quality standards and AI-ready data foundations
FEATURED
)
Principal Technical Lead
Principal Technical Lead
RSSB
The City, City of London (EC3), EC3M 5AD
Competitive salary aligned to public-interest and not-for-profit secto
Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
Ensure engineering standards are followed across the team: coding conventions, API design, security practices, and code review processes. * Experience with API and application security.
FEATURED
Forward Deployed Engineer
Forward Deployed Engineer
MARSH CORPORATE SERVICES LIMITED
City of London (EC3R)
Pension, healthcare, life insurance and much more
Own features end-to-end - from data consumption and querying through API logic to client-facing UI, with minimal handoffs and high autonomy.
Own features end-to-end - from data consumption and querying through API logic to client-facing UI, with minimal handoffs and high autonomy.
PREMIUM
Senior C# Developer .Net AWS - Finance
Senior C# Developer .Net AWS - Finance
Client Server
Shoreditch, East London (E1), EC2A
£75000 - £90000 per annum + bonus + benefits
Senior C# Developer / Software Engineer (C# .Net AWS) London to £90k - Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks and benefits. As a Senior C# Developer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. You'll work across the full development lifecycle, from requirements and design through to production, providing subject matter expertise on the .Net stack and contributing to technical design discussions.
Senior C# Developer / Software Engineer (C# .Net AWS) London to £90k - Are you a technologist who enjoys contributing to technical discussions and using the best tool for the job? You could be progressing your career at a global, financial Market Data provider whilst enjoying a range of perks and benefits. As a Senior C# Developer you will collaborate with DevOps and Product Management within an Agile team environment working on a Greenfield Market Data platform. The platform has been built with C# deploying to AWS and requires high scalability and low latency - they currently handle 40 billion messages per day. You'll work across the full development lifecycle, from requirements and design through to production, providing subject matter expertise on the .Net stack and contributing to technical design discussions.
PREMIUM
Python Engineering Lead - Fintech
Python Engineering Lead - Fintech
Client Server
Soho, Central London (W1), W1D
£90000 - £120000 per annum + benefits
Python Engineering Lead (Backend Software Developer) London / WFH to £120k - Opportunity to join a successful and growing Fintech that is transforming core banking technology through modern cloud-native platforms and integrations with leading financial institutions. As the business continues to scale, they are looking for a hands-on Python engineering leader to help shape the next phase of platform development. As a Python Engineering Lead your role will blend of technical leadership and software engineering, giving you the opportunity to guide a talented team while remaining closely involved in architecture, design and delivery. You'll play a key role in driving engineering standards, mentoring developers and helping the team tackle complex technical challenges across a modern Python based platform.
Python Engineering Lead (Backend Software Developer) London / WFH to £120k - Opportunity to join a successful and growing Fintech that is transforming core banking technology through modern cloud-native platforms and integrations with leading financial institutions. As the business continues to scale, they are looking for a hands-on Python engineering leader to help shape the next phase of platform development. As a Python Engineering Lead your role will blend of technical leadership and software engineering, giving you the opportunity to guide a talented team while remaining closely involved in architecture, design and delivery. You'll play a key role in driving engineering standards, mentoring developers and helping the team tackle complex technical challenges across a modern Python based platform.
PREMIUM
)
Senior AI Engineer
Senior AI Engineer
Kennedy Pearce Consulting
South West London, London, WC1
£80000 - £110000 per annum + 20%-40% bonus, pension, healthcare
We're currently partnered with an exceptional private equity investment business that has recently made a major investment into AI and technology, including hiring a Global Head of AI Engineering to build and lead the function. As part of this growth, they are looking to hire both a Senior AI Engineer and a Lead AI Engineer into a newly forming team that will play a critical role in shaping how AI is adopted and embedded across the wider business. This is not an environment where AI is being explored for the sake of innovation headlines. The focus is on building scalable, production-grade AI systems that can genuinely improve workflows, knowledge systems, operational efficiency and internal decision making across a highly sophisticated investment business. The opportunity is particularly unique because of the level of ownership available.
We're currently partnered with an exceptional private equity investment business that has recently made a major investment into AI and technology, including hiring a Global Head of AI Engineering to build and lead the function. As part of this growth, they are looking to hire both a Senior AI Engineer and a Lead AI Engineer into a newly forming team that will play a critical role in shaping how AI is adopted and embedded across the wider business. This is not an environment where AI is being explored for the sake of innovation headlines. The focus is on building scalable, production-grade AI systems that can genuinely improve workflows, knowledge systems, operational efficiency and internal decision making across a highly sophisticated investment business. The opportunity is particularly unique because of the level of ownership available.
Principal Software Engineer Java SpringBoot AWS
Principal Software Engineer Java SpringBoot AWS
Client Server
City of London (EC2A), EC2A
£100000 - £120000 per annum + benefits
Principal Software Engineer / Developer (Java SpringBoot AWS) London / WFH to £120k - Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice and continuous improvement of client systems; you will have lots of business and client exposure, leading projects and providing expertise.
Principal Software Engineer / Developer (Java SpringBoot AWS) London / WFH to £120k - Are you an experienced Java focussed Software Engineer, with technical project leadership and client facing skills? You could be progressing your career at a global technology consultancy. As a Principal Software Engineer you will lead client projects, often long term technical transformations, designing, developing and delivering a range of projects for clients, mainly within the financial services sector and with a focus on migrating legacy systems to AWS and introducing CI/CD pipelines and cloud deployments. You'll join a collaborative team with a focus on engineering best practice and continuous improvement of client systems; you will have lots of business and client exposure, leading projects and providing expertise.
PREMIUM
)
Senior AI Engineer (LLMs, Python & Java)
Senior AI Engineer (LLMs, Python & Java)
Halian Technology Limited
Bracknell (RG12)
£95,000 per annum Bonus and benefits
Bracknell (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role - Youll sit at the intersection of AI, backend engineering, and cloud systems, designing and deploying intelligent features that directly impact users. * Design and implement LLM-based applications (RAG pipelines, agents, copilots) * Build scalable backend services using Python and Java * Integrate AI into existing cloud-native SaaS platforms * Own the full lifecycle: experimentation ? prototyping ? production
Bracknell (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role - Youll sit at the intersection of AI, backend engineering, and cloud systems, designing and deploying intelligent features that directly impact users. * Design and implement LLM-based applications (RAG pipelines, agents, copilots) * Build scalable backend services using Python and Java * Integrate AI into existing cloud-native SaaS platforms * Own the full lifecycle: experimentation ? prototyping ? production
Reading (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role - Youll sit at the intersection of AI, backend engineering, and cloud systems, designing and deploying intelligent features that directly impact users. * Design and implement LLM-based applications (RAG pipelines, agents, copilots) * Build scalable backend services using Python and Java * Integrate AI into existing cloud-native SaaS platforms * Own the full lifecycle: experimentation ? prototyping ? production
Reading (Hybrid) What if you could own and build the AI capability from the ground up in a scaling, purpose-driven tech company? Were hiring the first dedicated AI Engineer to join a fast-growing (~280 people) Healthtech organisation making a real-world impact. This is a rare opportunity to shape the AI strategy, design production-grade systems, and bring cutting-edge LLM-powered solutions into a live product environment. The Role - Youll sit at the intersection of AI, backend engineering, and cloud systems, designing and deploying intelligent features that directly impact users. * Design and implement LLM-based applications (RAG pipelines, agents, copilots) * Build scalable backend services using Python and Java * Integrate AI into existing cloud-native SaaS platforms * Own the full lifecycle: experimentation ? prototyping ? production
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- Shoreditch
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- Soho
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- City of London
- Reading
- Central London
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- South West London
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- Watford
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