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11 API jobs in Milton Keynes + 20 miles
316 exact matches jobs are outside your preferred location
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Location/s: London Recruiter contact: Nikki George Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, youre surrounded by global specialists who want to combine their expertise and champion you to be your best.
Location/s: London Recruiter contact: Nikki George Mott MacDonald is a global engineering, management, and development consultancy with over 20,000 employees across more than 50 countries and 140+ offices. We work across incredible global industries, delivering exciting work that is defining our future and making an important societal impact in the communities we serve. Our people power our performance we succeed when they do. With countless opportunities to collaborate, learn, and grow, the possibilities for excellence are as varied as every individual. Whether you want to grow as a subject matter expert or broaden your experience with roles across our international community, youre surrounded by global specialists who want to combine their expertise and champion you to be your best.
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Pantheon has been at the forefront of private markets investing for more than 40 years, earning a reputation for providing innovative solutions covering the full lifecycle of investments, from primary fund commitments to co-investments and secondary purchases, across private equity, real assets and private credit. We have partnered with more than 650 clients, including institutional investors of all sizes as well as a growing number of private wealth advisers and investors, with approximately $65bn in discretionary assets under management (as of December 31, 2023). Leveraging our specialized experience and global team of professionals across Europe, the Americas and Asia, we invest with purpose and lead with expertise to build secure financial futures. For further details please visit Purpose of Position
Pantheon has been at the forefront of private markets investing for more than 40 years, earning a reputation for providing innovative solutions covering the full lifecycle of investments, from primary fund commitments to co-investments and secondary purchases, across private equity, real assets and private credit. We have partnered with more than 650 clients, including institutional investors of all sizes as well as a growing number of private wealth advisers and investors, with approximately $65bn in discretionary assets under management (as of December 31, 2023). Leveraging our specialized experience and global team of professionals across Europe, the Americas and Asia, we invest with purpose and lead with expertise to build secure financial futures. For further details please visit Purpose of Position
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Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Founding Full Stack Engineer (Python/TypeScript) – London - £180K
Halian Technology Limited
London
Up to £185,000 per annum High founding member equity and Shares
Halian is currently working with a stealth-stage AI startup is hiring its first technical team member. If you want to build core AI systems from the ground up and move faster than a typical tech organisation ever allows, this might be for you. What youll be doing Architect core infrastructure and data pipelines Build integrations with external APIs and providers Develop internal tooling and contribute directly to product roadmap decisions Work across backend, frontend, data, and cloud systems Solve high-impact problems (including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever the mission requires we optimise for impact, not rigidity What matters most Ownership: You think like a founder.
Halian is currently working with a stealth-stage AI startup is hiring its first technical team member. If you want to build core AI systems from the ground up and move faster than a typical tech organisation ever allows, this might be for you. What youll be doing Architect core infrastructure and data pipelines Build integrations with external APIs and providers Develop internal tooling and contribute directly to product roadmap decisions Work across backend, frontend, data, and cloud systems Solve high-impact problems (including the ones we havent discovered yet) Tech youll work with Python + TypeScript/Node.js (in equal measure) API integrations, ETL, schema validation React/TypeScript, Supabase, AWS Data quality systems and pipeline tooling Whatever the mission requires we optimise for impact, not rigidity What matters most Ownership: You think like a founder.
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SC Cleared .NET Software Engineer Remote (UK) - Central Government Salary: £60k per annum Clearance: Active SC required A leading defence and security technology consultancy is seeking an SC Cleared .NET Software Engineer to support secure government projects. Known for their cutting-edge solutions and commitment to innovation, they offer a dynamic and collaborative work environment where employees can thrive. You'll develop .NET applications, build RESTful APIs, work with Azure services, and contribute to CI/CD pipelines-all while ensuring compliance with strict security standards. * Active SC Clearance (mandatory) * Strong .NET Core / .NET Framework and C# skills * Experience with RESTful APIs, OAuth/JWT, and API security * Familiarity with Azure App Services, Functions, Storage, SQL * Experience using Azure DevOps for CI/CD
SC Cleared .NET Software Engineer Remote (UK) - Central Government Salary: £60k per annum Clearance: Active SC required A leading defence and security technology consultancy is seeking an SC Cleared .NET Software Engineer to support secure government projects. Known for their cutting-edge solutions and commitment to innovation, they offer a dynamic and collaborative work environment where employees can thrive. You'll develop .NET applications, build RESTful APIs, work with Azure services, and contribute to CI/CD pipelines-all while ensuring compliance with strict security standards. * Active SC Clearance (mandatory) * Strong .NET Core / .NET Framework and C# skills * Experience with RESTful APIs, OAuth/JWT, and API security * Familiarity with Azure App Services, Functions, Storage, SQL * Experience using Azure DevOps for CI/CD
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DeFi Remote Up to $250k Plexus has another great opportunity with one of our clients that are a non-custodial crypto trading and data platform built for speed, accuracy, and full user control. They provide a unified base of operations where traders keep custody of their funds, access live market data, execute instantly, and trade even the newest markets with powerful, intuitive tools. they keep there team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities * Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. * Cross-Team Collaboration: Work with designers, product, and users to align backend solutions with platform needs.
DeFi Remote Up to $250k Plexus has another great opportunity with one of our clients that are a non-custodial crypto trading and data platform built for speed, accuracy, and full user control. They provide a unified base of operations where traders keep custody of their funds, access live market data, execute instantly, and trade even the newest markets with powerful, intuitive tools. they keep there team intentionally small, bringing together only the most exceptional talent in crypto. They are looking for a backend engineer experienced in building high-performance, low-latency microservices in TypeScript. Responsibilities * Backend Development: Build and maintain scalable TypeScript services for trading, analytics, and integrations. * Cross-Team Collaboration: Work with designers, product, and users to align backend solutions with platform needs.
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Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Mastercard is a global technology company in the payments industry, connecting billions of consumers, financial institutions, merchants, governments, and businesses worldwide. We are driving the future of commerce by enabling secure, simple, and smart transactions.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Mastercard Developers ( is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Mastercard Developers ( is the single platform for Mastercard partners to access a diverse range of payment, data, loyalty, and security APIs. The team is responsible for delivering an experience that ensures developers can quickly find the right API, assess its technical capabilities and integrate it into new and innovative solutions.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Do you enjoy being part of a team that drives business growth by building scalable payment products, fostering deep partnerships, and enabling adoption of innovative solutions? Are you passionate about cutting edge innovation in cross-border money movement?
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Do you enjoy being part of a team that drives business growth by building scalable payment products, fostering deep partnerships, and enabling adoption of innovative solutions? Are you passionate about cutting edge innovation in cross-border money movement?
About Loopla Loopla is a London-based family events marketplace helping parents discover and book activities for their children. Were a small engineering team, moving quickly and building the tools that power both family discovery and organiser growth. Every engineer has real ownership and impact. The Role Were looking for a Senior Full Stack Engineer who enjoys solving hard problems, takes initiative, and cares about building things properly. Youll work across the stack, own major features end to end, and help shape the direction of a growing product. This is a hybrid role: 3 days in our Euston office, 2 days remote. We may be relocating to Stratford in the coming months, and the hybrid pattern would remain the same. Responsibilities * Lead feature planning and turn ideas into well-scoped, buildable work * Build reliable, maintainable frontend and backend systems
About Loopla Loopla is a London-based family events marketplace helping parents discover and book activities for their children. Were a small engineering team, moving quickly and building the tools that power both family discovery and organiser growth. Every engineer has real ownership and impact. The Role Were looking for a Senior Full Stack Engineer who enjoys solving hard problems, takes initiative, and cares about building things properly. Youll work across the stack, own major features end to end, and help shape the direction of a growing product. This is a hybrid role: 3 days in our Euston office, 2 days remote. We may be relocating to Stratford in the coming months, and the hybrid pattern would remain the same. Responsibilities * Lead feature planning and turn ideas into well-scoped, buildable work * Build reliable, maintainable frontend and backend systems
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SwiftUI Mobile App Lead Developer - Leicestershire
SwiftUI Mobile App Lead Developer - Leicestershire
Mapp UK Ltd
Leicester (LE3)
From £62,000 to £70,000 per annum basic + bonus, pension,. share optio
Salary - £62K - £70K basic + Annual Bonus + Share Option + Pension + other great benefits A new and exciting role for a Mobile App Lead Developer with a strong technical background in developing Apple ecosystem customer facing iOS apps in Swift to join one of the UK's leading FTSE100 companies. Our client has re-written their mobile app using Swift 6 in iOS 26 Liquid Glass using brand new code. You will lead and mentor a team of up to 10 experienced developers and work alongside the architects in improving the App, delivery metrics and KPI's. * Technical Proficiency: Demonstrable experience in building robust iOS applications using Swift 5 or Swift 6 and SwiftUI ((experience with Swift 6 language. iOS 18 and above) with familiarity with the Apple ecosystem.
Salary - £62K - £70K basic + Annual Bonus + Share Option + Pension + other great benefits A new and exciting role for a Mobile App Lead Developer with a strong technical background in developing Apple ecosystem customer facing iOS apps in Swift to join one of the UK's leading FTSE100 companies. Our client has re-written their mobile app using Swift 6 in iOS 26 Liquid Glass using brand new code. You will lead and mentor a team of up to 10 experienced developers and work alongside the architects in improving the App, delivery metrics and KPI's. * Technical Proficiency: Demonstrable experience in building robust iOS applications using Swift 5 or Swift 6 and SwiftUI ((experience with Swift 6 language. iOS 18 and above) with familiarity with the Apple ecosystem.
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Java Software Engineer - Tech for Good
Java Software Engineer - Tech for Good
Client Server
The City, City of London (EC3), EC3V
£85000 - £100000 per annum + benefits
Java Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a 'tech for good' product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android). As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising SQL database queries and occasional front end work, creating user friendly interfaces using Angular (v15+).
Java Software Engineer / Developer (Full Stack Java) London / WFH to £100k Are you Java technologist? You could be progressing your career in a hands-on, impactful, Software Engineer role, working on a 'tech for good' product that is helping to drive efficiencies for the NHS, the core product is a highly complex real-time shift rota application, hosted on AWS and available via the web or mobile device (iOS / Android). As a Software Engineer you will play a crucial role in re-architecting and enhancing the scheduling platform to a Java and Angular codebase (from Ruby and TypeScript). You'll focus on designing and developing scalable backend Java services and REST APIs and build responsive, as well as writing and optimising SQL database queries and occasional front end work, creating user friendly interfaces using Angular (v15+).
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Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £60,000 £95,000 + Bonus This role requires the ability to gain SC Clearance About the Role This role offers the opportunity to operate as an end-to-end Solution Architect on major digital transformation initiatives, working directly with senior business and technology leaders. Youll design and deliver modern, cloud-native, scalable architectures across AWS, Azure and GCP, applying engineering-led thinking and hands-on technical depth to shape high-impact solutions for FTSE 100 clients. Youll act as a trusted technical advisor, defining solution options, guiding engineering teams, ensuring architectural integrity, and supporting clients from early discovery and conceptualisation through to delivery.
Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £60,000 £95,000 + Bonus This role requires the ability to gain SC Clearance About the Role This role offers the opportunity to operate as an end-to-end Solution Architect on major digital transformation initiatives, working directly with senior business and technology leaders. Youll design and deliver modern, cloud-native, scalable architectures across AWS, Azure and GCP, applying engineering-led thinking and hands-on technical depth to shape high-impact solutions for FTSE 100 clients. Youll act as a trusted technical advisor, defining solution options, guiding engineering teams, ensuring architectural integrity, and supporting clients from early discovery and conceptualisation through to delivery.
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Job Summary As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. Your role will be pivotal in driving innovation within telecom domain projects, contributing to business success and societal impact. 5 days per week at the offices in Canary Wharf Responsibilities * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Oversee deployment and management of Anthos Service Mesh to enhance service connectivity and security.
Job Summary As a Technology Architect, you will leverage your expertise in Google Cloud Platform (GCP) and Apigee to design and implement robust API solutions. With a strong focus on cloud infrastructure, API security, and performance optimization, you will ensure seamless integration across enterprise systems. Your role will be pivotal in driving innovation within telecom domain projects, contributing to business success and societal impact. 5 days per week at the offices in Canary Wharf Responsibilities * Design and implement scalable API solutions using Google Cloud Platform and Apigee to meet business requirements. * Collaborate with cross-functional teams to integrate Apigee API Hub and Apigee Hybrid into existing systems. * Oversee deployment and management of Anthos Service Mesh to enhance service connectivity and security.
London, UK Up to £60/hour Outside IR35 Active SC Clearance required iO Associates have aligned exclusively with a multi-nation defence alliance to find an MS Dynamics Developer. The ideal candidate would have extensive hands-on experience across the full Dynamics 365 F&O lifecycle, with strong skills in customisation, integrations, automation, Power Platform development, AI-led enhancements, and stakeholder engagement. * Lead customisation, configuration, and enhancement of Dynamics 365 F&O, ensuring scalable, maintainable solutions. * Drive end-to-end delivery across the full ERP lifecycle, including development, integrations, testing, deployment, and post-go-live support. * Build automated workflows and integrations using Power Platform, REST APIs, and low-code tools to improve business processes.
London, UK Up to £60/hour Outside IR35 Active SC Clearance required iO Associates have aligned exclusively with a multi-nation defence alliance to find an MS Dynamics Developer. The ideal candidate would have extensive hands-on experience across the full Dynamics 365 F&O lifecycle, with strong skills in customisation, integrations, automation, Power Platform development, AI-led enhancements, and stakeholder engagement. * Lead customisation, configuration, and enhancement of Dynamics 365 F&O, ensuring scalable, maintainable solutions. * Drive end-to-end delivery across the full ERP lifecycle, including development, integrations, testing, deployment, and post-go-live support. * Build automated workflows and integrations using Power Platform, REST APIs, and low-code tools to improve business processes.
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Location: Hybrid - Nuneaton and Remote Contract Type: Permanent Hours: Full time, 40 hours per week, Monday to Friday Salary: £35,000-£40,000 per annum DOE, plus car / car allowance Benefits:33 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme About the Job Youll have an important part to play delivering high quality features and seamless integrations across our enterprise web platforms. Here at Unipart we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
Location: Hybrid - Nuneaton and Remote Contract Type: Permanent Hours: Full time, 40 hours per week, Monday to Friday Salary: £35,000-£40,000 per annum DOE, plus car / car allowance Benefits:33 days holiday, pension, life assurance, employee assistance programme, wellbeing support, and flexible benefits scheme About the Job Youll have an important part to play delivering high quality features and seamless integrations across our enterprise web platforms. Here at Unipart we dont just have a way of working, we have The Unipart Way. It allows everyone in our team to pursue their own personal and professional goals to a world class level, through Unipart's From Gate to Great training and development program.
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Backend Software Engineer TypeScript Node AWS
Backend Software Engineer TypeScript Node AWS
Client Server
Shoreditch, East London (E1), EC2A
£75000 - £85000 per annum + benefits
Backend Software Engineer / Developer (TypeScript Node AWS) Remote to £85k Are you a backend focussed Software Engineer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack? You could be joining a scaling AI software solutions provider in a senior, hands-on role. As a Backend Software Engineer you will build new features with a focus on backend services and APIs using TypeScript, Node and AWS, also with some Python work for LLM integration. You'll take ownership of projects, working across the full development lifecycle from requirements through to delivery and help to drive the adoption of AI within the development lifecycle.
Backend Software Engineer / Developer (TypeScript Node AWS) Remote to £85k Are you a backend focussed Software Engineer looking for an opportunity to progress your career, whilst working remotely on a modern tech stack? You could be joining a scaling AI software solutions provider in a senior, hands-on role. As a Backend Software Engineer you will build new features with a focus on backend services and APIs using TypeScript, Node and AWS, also with some Python work for LLM integration. You'll take ownership of projects, working across the full development lifecycle from requirements through to delivery and help to drive the adoption of AI within the development lifecycle.
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Lead PHP Developer
Lead PHP Developer
Rise Technical
Swindon, Wiltshire
£55000.00 - £65000.00 per annum + Bonus + Progression
Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Bonus + Progression + Pension An excellent opportunity awaits a Software Developer with strong PHP experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
Swindon (Hybrid - 3 days per-week) £55,000 - £65,000 + Bonus + Progression + Pension An excellent opportunity awaits a Software Developer with strong PHP experience to join a growing technology-first business. The role offers technical variety, ownership and clear progression opportunities. This company is an established but expanding B2B business, with technology as its key differentiator they're looking to further grow and diversify their SaaS solutions offering. In this role, you'll take ownership of both new and existing systems, maintaining legacy code where needed while leading the design and development of new solutions. You'll work closely with the Head of Software to align on technical direction, while taking the hands-on lead in building and improving Laravel-based applications, managing APIs and third-party integrations.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Customer Delivery Europe is part of the Global Customer Delivery & Care and Europe International Markets organization and plays a critical role ensuring the flawless delivery of Mastercard products and solutions for our customers.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Customer Delivery Europe is part of the Global Customer Delivery & Care and Europe International Markets organization and plays a critical role ensuring the flawless delivery of Mastercard products and solutions for our customers.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Overview We are looking for a software engineer to join an award winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud.
Our Purpose Mastercard powers economies and empowers people in 200+ countries and territories worldwide. Together with our customers, were helping build a sustainable economy where everyone can prosper. We support a wide range of digital payments choices, making transactions secure, simple, smart and accessible. Our technology and innovation, partnerships and networks combine to deliver a unique set of products and services that help people, businesses and governments realize their greatest potential. Title and Summary Overview We are looking for a software engineer to join an award winning team with a proven track record of combining data science techniques with an intimate knowledge of payments data to aid Financial Institutions in their fight against money laundering and fraud.
Technical Lead Cloud-Native Engineering | Modern Application Development Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £80,000 £100,000 + Bonus This role requires the ability to gain SC Clearance About the Role This is an excellent opportunity for a Technical Lead to guide high-performing Agile engineering teams and deliver modern, cloud-native applications for major clients. You will bring deep hands-on engineering expertise, make pragmatic architectural decisions, and champion best practices that ensure scalable, resilient and secure production systems. You will play a central role in shaping technical direction, embedding DevOps culture, ensuring strong engineering fundamentals, and working closely with stakeholders to translate requirements into high-quality digital products.
Technical Lead Cloud-Native Engineering | Modern Application Development Location: London, Manchester or Bristol (Hybrid 60% onsite) Salary: £80,000 £100,000 + Bonus This role requires the ability to gain SC Clearance About the Role This is an excellent opportunity for a Technical Lead to guide high-performing Agile engineering teams and deliver modern, cloud-native applications for major clients. You will bring deep hands-on engineering expertise, make pragmatic architectural decisions, and champion best practices that ensure scalable, resilient and secure production systems. You will play a central role in shaping technical direction, embedding DevOps culture, ensuring strong engineering fundamentals, and working closely with stakeholders to translate requirements into high-quality digital products.
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Senior DeFi Backend Engineer
Senior DeFi Backend Engineer
Plexus Resource Solutions Ltd
City of London (EC1)
Up to £175,000 per annum
DeFi Remote Upto€200k+ Tokens Plexus is partnering with a long-standing DeFi protocol building a next-generation trading platform. Theyre pioneering a new model for automated strategies and and are now looking for a Senior DeFi Backend Engineer to help build the core systems powering it. Youll join a highly technical team working across general backend systems engineering along with apis, optimising the application for performance, arbitrage bots and more. 3+ years experience with backend Python : Including async systems, data pipelines, or protocol-level integrations. 1+ year of recent Rust experience : With the ability to read, modify, and contribute to Rust-based components. DevOps: Ideally with docker experience
DeFi Remote Upto€200k+ Tokens Plexus is partnering with a long-standing DeFi protocol building a next-generation trading platform. Theyre pioneering a new model for automated strategies and and are now looking for a Senior DeFi Backend Engineer to help build the core systems powering it. Youll join a highly technical team working across general backend systems engineering along with apis, optimising the application for performance, arbitrage bots and more. 3+ years experience with backend Python : Including async systems, data pipelines, or protocol-level integrations. 1+ year of recent Rust experience : With the ability to read, modify, and contribute to Rust-based components. DevOps: Ideally with docker experience
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Senior Developer | Global Gaming Company | 4 days in London office * Refactor C# apps into Python for performance * Build real-time data pipelines with Snowplow * Develop API integrations (Appsflyer, Firebase, sGTM) * Design cloud solutions in Azure with alerting and failover * Ensure scalability and reliability across global operations * Python (Flask, FastAPI) * Azure (Event Hub, Functions, Data Factory) * Snowplow Snowbridge * APIs (Appsflyer, Firebase, sGTM) * JavaScript (GTM tags) * Event-driven tools (Kafka, RabbitMQ) * Monitoring (Grafana, Prometheus) If this one sounds like you, please apply! Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk
Senior Developer | Global Gaming Company | 4 days in London office * Refactor C# apps into Python for performance * Build real-time data pipelines with Snowplow * Develop API integrations (Appsflyer, Firebase, sGTM) * Design cloud solutions in Azure with alerting and failover * Ensure scalability and reliability across global operations * Python (Flask, FastAPI) * Azure (Event Hub, Functions, Data Factory) * Snowplow Snowbridge * APIs (Appsflyer, Firebase, sGTM) * JavaScript (GTM tags) * Event-driven tools (Kafka, RabbitMQ) * Monitoring (Grafana, Prometheus) If this one sounds like you, please apply! Hays Specialist Recruitment Limited acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C's, Privacy Policy and Disclaimers which can be found at hays.co.uk
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The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. * Building a next-generation data experience for GSKs scientists, engineers, and decision-makers, increasing productivity and reducing time spent on data mechanics * Providing best-in-class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top-tier talent * Aggressively engineering our data at scale to unlock the value of our combined data assets and predictions in real-time Onyx Product Management is at the heart of our mission, ensuring that everything from our infrastructure, to platforms, to end-user facing data assets and environments is designed to maximize our impact on R&D.
The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. * Building a next-generation data experience for GSKs scientists, engineers, and decision-makers, increasing productivity and reducing time spent on data mechanics * Providing best-in-class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top-tier talent * Aggressively engineering our data at scale to unlock the value of our combined data assets and predictions in real-time Onyx Product Management is at the heart of our mission, ensuring that everything from our infrastructure, to platforms, to end-user facing data assets and environments is designed to maximize our impact on R&D.
We are looking for an accomplished Azure Tech Lead with Senior experience. The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. Operating within a hybrid work model, this role requires designing and implementing secure, scalable, and high-performance technology solutions, with a focus on driving innovation in the devices, finance, and accounting sectors. London based Hybrid role with 2/3 times per week in the office Key Responsibilities Architecture & Design * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development
We are looking for an accomplished Azure Tech Lead with Senior experience. The successful candidate will demonstrate significant expertise in Microsoft Azure services, Web API, Azure App Service, .NET Core, and Visual Studio. Operating within a hybrid work model, this role requires designing and implementing secure, scalable, and high-performance technology solutions, with a focus on driving innovation in the devices, finance, and accounting sectors. London based Hybrid role with 2/3 times per week in the office Key Responsibilities Architecture & Design * Design and implement scalable technology solutions using Web API, Azure App Service, and .NET Core to satisfy business requirements and enhance operational efficiency. * Define architectural patterns for microservices and API management. Azure API Development
The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. * Building a next-generation data experience for GSKs scientists, engineers, and decision-makers, increasing productivity and reducing time spent on data mechanics * Providing best-in-class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top-tier talent * Aggressively engineering our data at scale to unlock the value of our combined data assets and predictions in real-time Onyx Product Management is at the heart of our mission, ensuring that everything from our infrastructure, to platforms, to end-user facing data assets and environments is designed to maximize our impact on R&D.
The Onyx Research Data Tech organization represents a major investment by GSK R&D and Digital & Tech, designed to deliver a step-change in our ability to leverage data, knowledge, and prediction to find new medicines. * Building a next-generation data experience for GSKs scientists, engineers, and decision-makers, increasing productivity and reducing time spent on data mechanics * Providing best-in-class AI/ML and data analysis environments to accelerate our predictive capabilities and attract top-tier talent * Aggressively engineering our data at scale to unlock the value of our combined data assets and predictions in real-time Onyx Product Management is at the heart of our mission, ensuring that everything from our infrastructure, to platforms, to end-user facing data assets and environments is designed to maximize our impact on R&D.