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Milton
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0 Temporary API jobs in Milton, Cambridge + 20 miles
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Proficient in REST API design and can create endpoints that scale and maintain over time.
Proficient in REST API design and can create endpoints that scale and maintain over time.
Design and build Automation from scratch, Web Services/API , Performance & Accessibility test frameworks with DevOps CI/CD * API testing with Rest Assured or Postman
Design and build Automation from scratch, Web Services/API , Performance & Accessibility test frameworks with DevOps CI/CD * API testing with Rest Assured or Postman
Knowledgeable of REST, API design patterns and microservices.
Knowledgeable of REST, API design patterns and microservices.
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).
Job title: Rust Engineer - Platform - About Keyrock - Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts to keep the crew tight. We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks as well as digital asset management.
Job title: Rust Engineer - Platform - About Keyrock - Since our beginnings in 2017, we've grown to be a leading change-maker in the digital asset space, renowned for our partnerships and innovation. Today, we rock with over 200 team members around the world. Our diverse team hails from 42 nationalities, with backgrounds ranging from DeFi natives to PhDs. Predominantly remote, we have hubs in London, Brussels, Singapore and Paris, and host regular online and offline hangouts to keep the crew tight. We are trading on more than 80 exchanges, and working with a wide array of asset issuers. As a well-established market maker, our distinctive expertise led us to expand rapidly. Today, our services span market making, options trading, high-frequency trading, OTC, and DeFi trading desks as well as digital asset management.
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information.
Join Proton and build a better internet where privacy is the default - At Proton, we believe that privacy is a fundamental human right and the cornerstone of democracy. Since our inception in 2014, founded by a team of scientists from CERN, we have dedicated ourselves to providing free and open-source technology to millions worldwide, ensuring access to privacy, security, and freedom online. Our journey began with Proton Mail, the largest secure email service globally, and has since expanded to include Proton VPN, Proton Calendar, Proton Drive, and Proton Pass. These tools empower individuals and organizations to take control of their personal data, break away from Big Tech's invasive practices, and defeat censorship. Our work impacts hundreds of millions of lives, from activists on the front lines defending freedom to leaders in governments protecting sensitive information.
Date: 17 Mar 2026 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a global payments platform powering the experience economy, with a strong focus on the iGaming, video gaming, e-commerce, retail, travel and hospitality sectors. With 30 years of expertise in payment technology, Paysafe helps businesses and consumers lift every experience through seamless, secure payment solutions, including card payments, digital wallets such as Skrill, eCash solutions like PaysafeCard, and a suite of local payment methods. With approximately 2,900 employees across 12 countries and annualized transactional volume of $167 billion in 2025, Paysafe connects people and businesses worldwide through innovative digital payment experiences. Further information is available at . It starts here. Have a global impact on the world of payments.
Date: 17 Mar 2026 - Location: London, GB, EC2V 7AD - Company: Paysafe - Paysafe is a global payments platform powering the experience economy, with a strong focus on the iGaming, video gaming, e-commerce, retail, travel and hospitality sectors. With 30 years of expertise in payment technology, Paysafe helps businesses and consumers lift every experience through seamless, secure payment solutions, including card payments, digital wallets such as Skrill, eCash solutions like PaysafeCard, and a suite of local payment methods. With approximately 2,900 employees across 12 countries and annualized transactional volume of $167 billion in 2025, Paysafe connects people and businesses worldwide through innovative digital payment experiences. Further information is available at . It starts here. Have a global impact on the world of payments.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? As the Investment API category leader in Europe, we are continuing our path of growth and expansion - with our API product at its core. * Proven experience in a regulated fintech, finance, or banking environment, preferably B2B, with a deep understanding of API-first SaaS offerings. * Continuous learning : The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
Upvests Investment API is easy to integrate so that fintechs and enterprises alike can save resources and fully focus on their core business.? As the Investment API category leader in Europe, we are continuing our path of growth and expansion - with our API product at its core. * Proven experience in a regulated fintech, finance, or banking environment, preferably B2B, with a deep understanding of API-first SaaS offerings. * Continuous learning : The complex yet fascinating field of investments, building an API product on a state-of-the-art tech stack, and working with the most relevant fintechs and financial institutions provide for an incredibly rewarding learning experience.
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Senior Solutions Engineer
Senior Solutions Engineer
SCALERS GROUP LIMITED
The City, City of London (EC2), EC3V
From £80,000 to £90,000 per annum
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C++ Lead / Engineering Manager - Systematic Trading
C++ Lead / Engineering Manager - Systematic Trading
McGregor Boyall Associates Limited
City of London (EC1)
£150000 - £275000 per annum
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