Api jobs in LondonCreate job alerts

Sales Executive (French/English/Fintech/Payments/Remote). B2B sales experience in FinTech or SaaS (ideally within APIs, payment platforms, digital banking). Strong understanding of API-driven sales and ability to communicate technical concepts with confidence.

A Tier 1 bank is looking for an ambitious SDET/QA Engineer to join their global API automation testing team 🏦. In this role, you'll be supporting middleware and APIs serving almost 20 million customers. API automation testing experience.

Develop custom Microsoft Teams applications and integrations using Microsoft Teams SDK. Demonstrated experience with Microsoft Teams SDK and Bot Framework SDK. Practical knowledge of Microsoft Graph API and Azure Active Directory.

QuantScope have partnered with a global energy trading firm who are looking to onboard a talented Python developer with desk aligned experience in a fast paced commodities trading environment to join their team. Comfortable with modern python frameworks & tools, such as Fast API, Plotly Dash & Py...

Solution Architect - AWS, API, Microservices, Remote, FinTech.

Deep understanding of modern testing practices including shift-left, CI/CD, mocking, and contract testing. Technical lead Test Engineer (Mobile, API) – Insurance - Hybrid – London 3 days a week. My new client is looking for a Technical Lead Test Engineer to join the team on a contract basis.

Lead Backend Developer / Engineer (Node API JavaScript CFA) London / WFH to £120k Are you a lead technologist with strong financial services experience combined with Node.js backend development expertise? You could be progressing your career in a hands-on leadership role at a global crypt...

Cure Talent is thrilled to partner with a rapidly growing medical technology company behind an award-winning medical device and transformative telehealth platform. We are seeking an experienced DevOps Engineer to join their talented team (hybrid working). The successful DevOps Engineer will pla...

An exciting opportunity to join a fast-paced, growing in-house IT business that’s part of a billion-pound construction group. This role offers a genuine chance to grow your career through hands-on work with cutting-edge technologies, backed by strong support for learning, development, and profess...

Job Title:                Senior Full Stack Web Developer Location:                Loughton, Essex Benefits ·        Working within a newly refurbished dedicated office space with onsite employee gym and parking ·        Close road links to M11/M25/A406/A12 and London ·        Central Line ...

Node Developer / Backend Software Engineer (Node.js API JavaScript CFA) London / WFH to £95k Do you have strong backend development skills with Node.js combined with a good knowledge of financial markets? You could be progressing your career in a senior, hands-on Node Developer role at a ...

Join a global IT services and consulting leader as a Platform Engineering Lead to play a pivotal role in delivering transformative technology within one of the UKs most respected banking groups – Lloyds Banking Group (LBG). Essential skills: Exposure to Java script framework with API/Microservice...

This role is ideal for someone experienced, self-driven, and excited about leading backend projects involving large-scale data handling and API improvements. Skills, Knowledge, and Expertise Experience 5 years in Backend Software Engineering, with a focus on complex systems, data pipelines, and A...

Working with the Head of Front Office Technology within a leading systematic hedge funds. They are making headway in their 3 main business arms’ (Fixed Income, Machine Learning & AI, and Commodities), and hiring in London for quantitative developers to drive and build entirely greenfield deliver...

Job Title: Senior/Lead Controls & Instrumentation Engineer Location: Aberdeen/London - Hybrid/Remote LTD Rate: Circa £45 an hour Duration: 9-12 month LTD contract outside IR35. Applicants must have proven right to work in the UK for this role and be based in Aberdeen or London. Are you a Control...

Solutions Engineer - SaaS - Graduate Considered A unique opportunity for a Solutions Engineer or a top STEM Graduate to work as a Solutions Engineer within a software house based in London, to support with the technical aspects of pre-sales demonstrations and support with the onboarding of new c...

The Onyx Research Data Tech organization is GSK's Research data ecosystem which has the capability to bring together, analyze, and power the exploration of data at scale. We partner with scientists across GSK to define and understand their challenges and develop tailored solutions that meet their...

Software Engineer - Full Stack National: Salary Circa £65,000 London: Salary circa £85,000 Do you like working with the latest technology and are interested in enhancing your tech abilities? We are currently recruiting for a Software Engineer with a strong programming background, who love to...

Role: ServiceNow Application Manager Location: London or Sunbury, UK (Kinly operate a hybrid culture, allowing for a mix of office/home working) Salary: Negotiable dependent on skills and experience, plus large company benefits Kinly is a global leader in Audio Visual and Unified Communication...

Lead Software Engineer - Full Stack. National Salary Circa £80,000. London Salary Circa £95,000. Do you like working with the latest technology and are interested in enhancing your tech abilities? We are currently recruiting for Senior Software Engineers (Full Stack) with a strong programmin...

Site Name: London The Stanley Building Posted Date: Apr 17 2025 At GSK, we see a world where advanced applications of Machine Learning and AI empower us to drive groundbreaking solutions that further our mission of enabling everyone to do more, feel better, and live longer. This ambitious vision...

This is a unique opportunity to architect solutions that impact millions of guests worldwide, across some of the most iconic entertainment brands. Extensive experience in cloud architecture in complex, large-scale enterprises. Familiarity with systems like Oracle Simphony and Opera, and open API ...

Our client, a prominent London Market Insurance firm, is seeking a skilled Technical Lead to join their growing team. You will be responsible for overseeing the design, development, and implementation of technological solutions within the Reinsurance Segment. You will play a crucial role in suppo...

Job Title: Senior Vue.js Developer - Up to £100k Location: Hybrid - 4 days a week in London Office A rapidly growing SaaS company in the regulatory technology space is looking for a Senior Frontend Developer with expertise in Vue.js . The role involves building and maintaining a modern web platfo...

Cure Talent is thrilled to partner with a rapidly growing medical technology company behind an award-winning medical device and transformative telehealth platform. We are seeking an experienced DevOps Engineer to join their talented team (hybrid working). The successful DevOps Engineer will ...

BPSS Cleared OR Eligible React Developer X2 | Inside IR35 | Fully Remote | Public Sector We are looking for Senior React Developers with strong communication skills and experience in the Public Sector to operate as technical consultants for our client Job Title: Senior React Develope...

Principal Go (Golang) Engineer | Stealth Fintech | London (Min. 4 days/week onsite in London) Up to £200k + Equity | Hybrid London Maze is partnering with a stealth-mode startup that's rebuilding core banking from the ground up. They’re creating the world’s first open-source, AI-native "Thin...

Hello! We're Teya. Teya is a payment and software service provider, headquartered in London serving small, local businesses across Europe. Founded in 2019, we build easy to use, integrated tools that enable our members to accept payments and boost business performance. At Teya we believe sm...

Here at Chubb Fire & Security we have an opportunity for a Project Engineer to join our technical onsite based team in London (EC1A) on a full time, permanent basis. This role has 50% travel into EMEA too and is key to our continued success, securing global financial institutions Chubb Fire &...

About The Role This team is making it possible for Metapack and ShipEngine to expand our reach and impact, enabling more businesses to thrive in the ever-evolving landscape of e-commerce and logistics. We're looking for an experienced Account Executive who will play a pivotal role in leveraging ...

You will work on projects ranging from API development, integrations, to new feature development, providing a rich experience for customers. They’ve created a unified, scalable, AI-driven platform that’s moving the industry away from using outdated data storage and communication systems like spr

Job Title: Fullstack Engineer (API & Integrations) -. We're not precious about the specific tech stack and are open to candidates with strong experience in PHP, Node.

Senior Fullstack Developer needed - 12 month contract - London/Hybrid - Start ASAP 🚀.My client is urgently looking for Senior Fullstack Developer who will help to create new solutions that seamlessly integrate with backend applications.Angular 2+ development, with a strong focus on API integrati...

Experience with Vertex AI Platform, and Google’s Vision API or Video AI tools. Aquanzo is seeking an AI Engineer with strong data analysis skills, and a passion for applying AI to real-world problems, from image recognition to automated reporting and smart data workflows. Strong understanding of ...

You’ll be leading the end-to-end design for a suite of API-first FinTech products – taking them from discovery to UI design and Dev handoff. To hit the ground running, you’d probably need to show a background working in API-first tech companies, and have plenty of experience with Figma and oth

Years of experience in data engineering, including creating reliable, efficient, and scalable data pipelines and experiences. Data Engineer-Python-Django-AWS-JavaScript frameworks-Amazon Ads API-Remote £50,000-£60,000 p/a*. As a Data Engineer reporting directly to the Chief Technology Officer you...

The Change Partners are working with a tier-1 Beverage brand who are hiring for a Azure (API) Integration Engineer.

Power Platform / Power Apps / Develop / API / Azure Logic Apps / Canvas App / Model-driven App. Power Platform / Power Apps / Develop / API / Azure Logic Apps / Canvas App / Model-driven App. In this role, you will design, develop, and support custom applications and solutions using Microsoft Pow...

You will need to be a proven UI Designer along with experience/background as a developer or have worked as a designer on developer tools. UI Designer - UK/Europe - Remote - Fast Growing Tech Start Up!. UI Designer required for a niche, fast growing software development company specialising in API...

Application Integration and Implementation Tech Lead – London – Hybrid – £58,000–£62,000 per annum.Dynamics 365 / Microsoft / Azure / SQL / API Management.We’re working with a well-respected London-based organisation that’s looking to welcome a skilled and collaborative.Application Int

A trusted provider of financial services, Financial House offers multi-currency, comprehensive solutions that are swift, efficient, and adhere to global security standards. As a Principal member of MasterCard, Visa, and UnionPay, our advanced API provides seamless integration with essential paym...

Role: Senior Implementation Manager Location: Central London, hybrid Type: Full time Salary: £85,000-£95,000 DOE A leading player in the global cross-border payments space is seeking an experienced Senior Implementation Manager to join their growing team. In this key role, you’ll be instr...

My client, a world leader across FX payments is seeking a Senior Business Development Manager/Account Executive to join their team. This is a permanent role and you will be required to work from my client's London office on a hybrid basis. This is paying a market leading salary plus OTE. ...

Unlike traditional marketplaces, VOL operates on a drop shipping model—partnering with high-end retailers like Harrods, Net-a-Porter, and exclusive independent brands via API integrations.This allows VOL to offer an ever-evolving selection of luxury goods without holding inventory, making it cost...

Role Overview: We are seeking a Senior Quant Developer to participate in the creation of a cutting-edge cross-asset analytics platform for front office sales. This hands-on role involves close collaboration with senior stakeholders and users to define requirements and implement both back-end and...

Excellent communication and collaboration skills, with the ability to work with non-technical and technical stakeholders. Collaborate with IT teams to manage technical requirements, including API integrations and data migrations.