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        There is no job matching your search
        Api
        Massachusetts
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        0 Temporary API jobs in MA + 20 miles

        1 exact match is outside your preferred location

        Senior Backend Engineer

        Plexus Resource Solutions Ltd
        United States
        From £190,000 to £240,000 per annum
        $190k - $240k Fully Remote San Francisco, USA RAISED OVER $100 MILLION!!! Plexus has another great opportunity in the Web3 space. The company is creating entertainment that empowers on the blockchain. Powered by talent from around the globe, they believe in making bold moves to create products that have never been seen in the marketplace. They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * Architect and Build DEX services with a focus on throughput, determinism, and fault isolation. * Design APIs (REST/WebSocket) and data models that are explicit , versioned, and easy to integrate. * Integrate on-chain logic with their blockchain. * Performance and Reliability. * Security and Compliance by Design. * Observability: Define golden signals, metrics, tracing and error budgets.
        $190k - $240k Fully Remote San Francisco, USA RAISED OVER $100 MILLION!!! Plexus has another great opportunity in the Web3 space. The company is creating entertainment that empowers on the blockchain. Powered by talent from around the globe, they believe in making bold moves to create products that have never been seen in the marketplace. They are looking for a Senior Backend Engineer to join their DEX team to design, built and scale the services that power decentralized trading. * Architect and Build DEX services with a focus on throughput, determinism, and fault isolation. * Design APIs (REST/WebSocket) and data models that are explicit , versioned, and easy to integrate. * Integrate on-chain logic with their blockchain. * Performance and Reliability. * Security and Compliance by Design. * Observability: Define golden signals, metrics, tracing and error budgets.
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        ££110,000 - £130,000 GBP Onsite WORKING Location: Newcastle Upon Tyne, North East - United Kingdom Type: Permanent Up to £130,000 + Excellent Benefits Our client is a newly established joint venture between a global leader in management consulting and a leading global alternative investment fund manager. They are building a team of exceptional developers in the heart of Newcastle City Centre, creating an intellectually stimulating environment where world-class technical talent can work on complex, high-impact initiatives tied to global markets and events. If you're an outstanding developer and communicator who thrives on solving challenging problems at pace, this is a rare opportunity to join a business at its inception and help shape its culture and future. What You'll Be Doing * Take ownership of technical products and projects from start to finish.
        ££110,000 - £130,000 GBP Onsite WORKING Location: Newcastle Upon Tyne, North East - United Kingdom Type: Permanent Up to £130,000 + Excellent Benefits Our client is a newly established joint venture between a global leader in management consulting and a leading global alternative investment fund manager. They are building a team of exceptional developers in the heart of Newcastle City Centre, creating an intellectually stimulating environment where world-class technical talent can work on complex, high-impact initiatives tied to global markets and events. If you're an outstanding developer and communicator who thrives on solving challenging problems at pace, this is a rare opportunity to join a business at its inception and help shape its culture and future. What You'll Be Doing * Take ownership of technical products and projects from start to finish.
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        Java Technical Architect - Inside IR35

        LA International Computer Consultants Ltd
        M1, Manchester
        £550 - £590 per day
        My client is looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. This is a hybrid role with 3 days per week required on site in Manchester and is inside IR35 so will require working via an FCSA accredited umbrella company. *10+ years of experience in software development, with at least 6+ years in Java/AWS micro service architecture. *Strong understanding of micro services architecture and RESTful APIs. *Proficient in relational and databases (e.g., PostgreSQL, DynamoDB). *Hands-on experience with cloud platforms (AWS & GCP). *Familiarity with containerization (Docker, Kubernetes).
        My client is looking for a highly skilled Java Technical Architect to lead the design and development of scalable, high-performance applications and solutions. The ideal candidate will have strong technical leadership skills, deep Java & AWS expertise, and a passion for designing clean and robust architectures. This is a hybrid role with 3 days per week required on site in Manchester and is inside IR35 so will require working via an FCSA accredited umbrella company. *10+ years of experience in software development, with at least 6+ years in Java/AWS micro service architecture. *Strong understanding of micro services architecture and RESTful APIs. *Proficient in relational and databases (e.g., PostgreSQL, DynamoDB). *Hands-on experience with cloud platforms (AWS & GCP). *Familiarity with containerization (Docker, Kubernetes).
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        London - hybrid Who are we? Enablis is a technology delivery consultancy who partner with clients to accelerate digital roadmaps. By combining our deep knowledge and best practice experience with the client's domain expertise, we are able to deliver technology solutions quickly, efficiently and as stress free as possible We keep things simple and have a ruthless, uncomplicated focus on how our customers can use technology to add value to their business. That's why we avoid tricky or ambiguous jargon in our service offerings: as far we we're concerned, we're always there to collaborate with clients and use our experiences to shape and affect the delivery of their technology roadmaps as positively as possible. It's as simple as that. We're looking for passionate, talented tech experts who want to work on projects that matter.
        London - hybrid Who are we? Enablis is a technology delivery consultancy who partner with clients to accelerate digital roadmaps. By combining our deep knowledge and best practice experience with the client's domain expertise, we are able to deliver technology solutions quickly, efficiently and as stress free as possible We keep things simple and have a ruthless, uncomplicated focus on how our customers can use technology to add value to their business. That's why we avoid tricky or ambiguous jargon in our service offerings: as far we we're concerned, we're always there to collaborate with clients and use our experiences to shape and affect the delivery of their technology roadmaps as positively as possible. It's as simple as that. We're looking for passionate, talented tech experts who want to work on projects that matter.
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        Join Netcompany in leveraging technological innovations to foster societal transformation. Netcompany was awarded 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees Choice Awards for 2024. As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next generation of IT consulting. Operating across both public and private sectors, we offer a comprehensive range of services from product design and engineering, digital strategy, data services & management (Machine Learning and AI), cloud migration to program delivery and service operations, our offerings are designed to meet diverse business needs. Job Description
        Join Netcompany in leveraging technological innovations to foster societal transformation. Netcompany was awarded 5th position on the esteemed UK Top 50 Best Places to Work in the Glassdoor Employees Choice Awards for 2024. As one of the fastest growing technology companies, we are disrupting the marketplace and revolutionizing the way businesses operate. Our vision is to be the leading digital challenger in Europe whilst evolving the next generation of IT consulting. Operating across both public and private sectors, we offer a comprehensive range of services from product design and engineering, digital strategy, data services & management (Machine Learning and AI), cloud migration to program delivery and service operations, our offerings are designed to meet diverse business needs. Job Description
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        Senior Backend Software Engineer

        Plexus Resource Solutions Ltd
        EC1, City of London
        From £80,000 to £110,000 per annum
        Gaming/Web3 Technologies Remote Salary: £80k - £110k Plexus has a great opportunity within the Web3 space. Their mission is to create economic opportunities for people across the globe, leveraging gaming as a natural and engaging pathway into the Web3 ecosystem. They are looking for a senior backend software engineer (Python) to join the team to help develop and maintain the spine of Web3 technologies. * Design and implement backend systems for Web3-focused products * Develop and maintain RESTful APIs using Python * Optimize system performance and reliability across distributed environments * Operate within cross-functional teams to ensure scalable and secure infrastructure * Proficiency in Python and SQL * Strong experience with Python web frameworks (e.g., Django, FastAPI, and Flask) * Minimum 3 years of professional software engineering experience
        Gaming/Web3 Technologies Remote Salary: £80k - £110k Plexus has a great opportunity within the Web3 space. Their mission is to create economic opportunities for people across the globe, leveraging gaming as a natural and engaging pathway into the Web3 ecosystem. They are looking for a senior backend software engineer (Python) to join the team to help develop and maintain the spine of Web3 technologies. * Design and implement backend systems for Web3-focused products * Develop and maintain RESTful APIs using Python * Optimize system performance and reliability across distributed environments * Operate within cross-functional teams to ensure scalable and secure infrastructure * Proficiency in Python and SQL * Strong experience with Python web frameworks (e.g., Django, FastAPI, and Flask) * Minimum 3 years of professional software engineering experience
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        Node.JS Developer

        Anson Mccade
        South East
        GBP 475.00 per week;GBP 475.00 per day
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        Full Stack Engineer

        Anson Mccade
        South East
        GBP 710.00 per week;GBP 710.00 per day
        £710 GBP Onsite WORKING Location: UK-Wide , Central London, Greater London - United Kingdom Type: Permanent Full Stack Software Engineer - eSC Location: London (2 days a week onsite) Rate: £710/day (Inside IR35) Contract Length: 6 months Clearance: Must be eligible for UK Security Clearance (including enhanced customer clearance - eSC) A top-tier consultancy is seeking a Full Stack Software Engineer to join agile teams delivering mission-critical solutions for Law Enforcement clients. You'll help build secure, scalable applications using cutting-edge cloud technologies, working in a dynamic environment with direct end-user collaboration. Key Responsibilities • Develop frontend and API layers with Node.js, React, Next.js, and Typescript • Build backend services using Azure Function Apps and ExpressJS • Deploy containerised apps via Azure Kubernetes Service (AKS)
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        TURLEYWAY LIMITED
        The City, EC4N 7BE
        From £80,000 to £250,000 per annum
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        Wilson Brown Limited
        EC1, City of London
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        Java Developer

        Bright Purple Resourcing
        Scotland
        £35,000 - £45,000
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        Backend Engineer

        Plexus Resource Solutions Ltd
        EC1, City of London
        From £100,000 to £130,000 per annum
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        Remote £100k - £130k Plexus has another great opportunity with one of our long-term clients. They believe that using crypto can enable a more equitable system for creators, fundamentally rediscovering the power of the internet. They are looking for a Backend Engineer to join one of their core product engineering teams with the ability to directly impact millions of user experiences in how they interactive with our products. * Work with team to build out new features in the product. * Build and maintain an API used by the product as well as external partners. * Communicate status, updates, blockers, etc., to cross functional stakeholders. * Participate in RFC and code review. * 3+ years of experience as an engineer. * Technical background in Python, GraphQL, and MongoDB. * Comfortable in moving across the stack when needed (Typescript/React/Next/Solidity)
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        Senior Software Developer API

        Frontier Agriculture Limited
        Witham St. Hughs, LN6 9TN
        Competitive + Benefits + 33 Days Holiday + Employee Assistance Program
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        We are looking for a Senior Software Developer to join the Frontier team, on a permanent, full-time basis. This is a fully homebased role but there will be a requirement to attend sites when needed. You are an experienced developer who seeks simplicity of solutions and excellence in code. You are able to lead the work of less experienced developers (at entry and intermediate level), drive standards and manage problems. Working with other Developers, Product Managers, and Delivery Leads in Scrum teams, you will build efficient programs and systems that serve Customer needs. At Frontier, the Technology Team strive to deliver brilliant experiences for customers and colleagues. We want to hear from passionate, enthusiastic people from any background.
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        Ascent People
        Nottingham, Nottinghamshire
        £55000 - £75000 per annum + Hybrid, Pension
        Senior Full Stack C# Developer, Senior .Net Core / React Analyst Programmer, AWS, Cloud, Azure, C#/ .Net, Microsoft Stack, ASP.Net, MVC, WEB, React, Angular, JavaScript, CI/CD - Nottingham 75K Global Software House - East Midlands Salary up to 75K + pension, bonus, flex around start/finish times. - 3 days in office * Do you have a solid background in .Net Core, C#? * Are you comfortable working in a full stack role with React? * Have you worked on cloud based solutions, ideally AWS? Role: A seasoned software developer with over five years of commercial experience in modern C# .NET development (6-9+), complemented by at least two years of hands-on React and frontend development expertise.
        Senior Full Stack C# Developer, Senior .Net Core / React Analyst Programmer, AWS, Cloud, Azure, C#/ .Net, Microsoft Stack, ASP.Net, MVC, WEB, React, Angular, JavaScript, CI/CD - Nottingham 75K Global Software House - East Midlands Salary up to 75K + pension, bonus, flex around start/finish times. - 3 days in office * Do you have a solid background in .Net Core, C#? * Are you comfortable working in a full stack role with React? * Have you worked on cloud based solutions, ideally AWS? Role: A seasoned software developer with over five years of commercial experience in modern C# .NET development (6-9+), complemented by at least two years of hands-on React and frontend development expertise.
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        We are working with a leading client in the technology sector who are seeking several Senior Java Developers to join their growing team in London. Candidates MUST have experience with Java and Python programming languages. This is a hands-on role suited to an experienced Senior Developer with strong core Java expertise and a solid understanding of modern software engineering practices. You’ll be contributing to the design and development of high performance, scalable systems while mentoring junior team members and playing a key role in technical decision-making. Extensive experience in Java development plus experience with Python. Strong understanding of microservices, distributed systems, and cloud technologies. Experience acting as a trusted advisor to key clients, helping shape their technology strategy aligned with business goals.
        We are working with a leading client in the technology sector who are seeking several Senior Java Developers to join their growing team in London. Candidates MUST have experience with Java and Python programming languages. This is a hands-on role suited to an experienced Senior Developer with strong core Java expertise and a solid understanding of modern software engineering practices. You’ll be contributing to the design and development of high performance, scalable systems while mentoring junior team members and playing a key role in technical decision-making. Extensive experience in Java development plus experience with Python. Strong understanding of microservices, distributed systems, and cloud technologies. Experience acting as a trusted advisor to key clients, helping shape their technology strategy aligned with business goals.
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        A large government department urgently requires a team of Senior / Lead developers to assist them delivering mission-critical projects. To apply you must experience with the following :- Strong Software Engineering expertise with extensive experience knowledge working with Java (Spring Boot) on large microservice architectures. You should be confident using test-driven development techniques and possess skills in containerisation (Docker), relational databases such as Postgres (ideally with migration tooling such as Liquibase), and experience with modern DevOps ways of working like continuous integration and deployment. Knowledge of Kafka would be advantageous along with some frontend experience using React/Typescript. * Java (Spring boot) * Postgres (or other relational SQL database) * Docker
        A large government department urgently requires a team of Senior / Lead developers to assist them delivering mission-critical projects. To apply you must experience with the following :- Strong Software Engineering expertise with extensive experience knowledge working with Java (Spring Boot) on large microservice architectures. You should be confident using test-driven development techniques and possess skills in containerisation (Docker), relational databases such as Postgres (ideally with migration tooling such as Liquibase), and experience with modern DevOps ways of working like continuous integration and deployment. Knowledge of Kafka would be advantageous along with some frontend experience using React/Typescript. * Java (Spring boot) * Postgres (or other relational SQL database) * Docker
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        FEATURED
        This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. * Python * React * Typescript * AI (desirable) * Java (desirable) * AWS * SQL * Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV.
        This is a fantastic opportunity to work a remote Senior Fullstack Developer for a major pharmaceutical company on a long term contract, outside IR35. * Python * React * Typescript * AI (desirable) * Java (desirable) * AWS * SQL * Kubernetes (desirable) If you do have the relevant experience for this remote, outside IR35 Senior Fullstack Developer role, please do send through your CV.
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