26 to 50 of 487 Permanent API Development Jobs

seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang experience and with some experience of TypeScript and React frontend development . If you also have a knack for Kubernetes/containerisation, that's a significant bonus! In this role, you'll be a key contributor to the development … We're excited to have you contribute to our mission! Responsibilities : As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Contribute significantly to software development on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and … dataset management, verification workflows, and result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and More ❯

seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang experience and with some experience of TypeScript and React frontend development . If you also have a knack for Kubernetes/containerisation, that's a significant bonus! In this role, you'll be a key contributor to the development … We're excited to have you contribute to our mission! Responsibilities : As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Contribute significantly to software development on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and … dataset management, verification workflows, and result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and More ❯

seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang experience and with some experience of TypeScript and React frontend development . If you also have a knack for Kubernetes/containerisation, that's a significant bonus! In this role, you'll be a key contributor to the development … We're excited to have you contribute to our mission! Responsibilities : As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Contribute significantly to software development on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and … dataset management, verification workflows, and result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and More ❯

seeking a Full Stack Software Engineer to join our team! We're particularly looking for someone with strong Golang experience and with some experience of TypeScript and React frontend development . If you also have a knack for Kubernetes/containerisation, that's a significant bonus! In this role, you'll be a key contributor to the development … We're excited to have you contribute to our mission! Responsibilities : As a Safe Intelligence Full Stack Software Engineer, you will: Engineering of Golang-based backend systems , focusing on API development and integration. Contribute significantly to software development on our TypeScript-based frontend systems , primarily utilizing React to craft intuitive and highly functional user interfaces. Productize and … dataset management, verification workflows, and result/metric aggregations. Collaborate closely with our scientific and technical teams to interface with and containerize our PyTorch-based verification toolkit. Champion an API-first development approach to deliver feature-rich, versioned interfaces that support both our TypeScript user interface and Python-based SDKs. Develop and maintain Infrastructure as Code (IaC) and More ❯

. You'll be instrumental in designing, developing, and maintaining the backend services that manage multiple payment gateways, methods, and related functions. Your expertise in TypeScript/Node.js , backend development, and database integration is crucial for building efficient and secure payment processes. What You'll Be Doing (Key Responsibilities) Backend Development: Play a key role in developing robust … server-side applications and core payment flows. API Development: Design and optimize high-performing APIs. Database Management: Assist in designing and optimizing database schemas (relational and NoSQL). Code Quality: Execute thorough tests to ensure code quality, reliability, and security. Scalability & Performance: Contribute to designing scalable infrastructure and optimizing performance. Collaboration: Work closely with cross-functional teams, providing … technical input and assisting with frontend development (UX best practices). Support: Be on standby to promptly troubleshoot and resolve system-related issues with agility. Continuous Improvement: Engage in continuous learning, skill improvement, and project documentation. What You'll Bring (Required Skills) Proficiency in JavaScript/TypeScript and strong scripting/coding ability, particularly with Node.js . Experience with More ❯

Senior API Engineer - AI Integration Team Who are we? At Bright, we've engineered cutting-edge software for accounting, payroll, tax, and practice management. We've assembled a team of top talent and stand ready to lead the industry with our superior software solutions and unparalleled customer support. We're brilliant people creating brilliant software! Join us in our … payroll, accounts and HR practices. We take the headache out of business management and provide cost effective, real solutions to accountants and business owners. The Role: As a Senior API Engineer at Bright, you'll be building API infrastructure that enables our product, third party integrations, our users and AI services to interact with our established product portfolio. … to-end accounting workflows from document processing through to statutory filing to make a real impact on tens of thousands of our customers. You'll design and implement the API infrastructure that enables our product, third party integrations, our users and AI services to interact with our established product portfolio. Working with autonomy and technical ownership, you'll architect More ❯

Data Engineer – Onsite (Central London) ⭐️ £50,000 – £55,000 + benefits ⭐️ 5 days onsite – Central London ⭐️ SQL, Python, API development ⭐️ Financial background preferred Join a leading investment management firm with a strong reputation for innovation in the financial sector. This is a fantastic opportunity to play a key role in building and maintaining robust data infrastructure supporting high … for a hands-on Data Engineer with solid SQL skills and experience in building and maintaining back-end APIs. SQL - strong experience essential. Python experience required. Proven experience in API development and maintenance. Previous experience within a financial services or investment management environment preferred. Strong analytical mindset and attention to detail. Excellent problem-solving and communication skills. More ❯

Data Engineer – Onsite (Central London) ⭐️ £50,000 – £55,000 + benefits ⭐️ 5 days onsite – Central London ⭐️ SQL, Python, API development ⭐️ Financial background preferred Join a leading investment management firm with a strong reputation for innovation in the financial sector. This is a fantastic opportunity to play a key role in building and maintaining robust data infrastructure supporting high … for a hands-on Data Engineer with solid SQL skills and experience in building and maintaining back-end APIs. SQL - strong experience essential. Python experience required. Proven experience in API development and maintenance. Previous experience within a financial services or investment management environment preferred. Strong analytical mindset and attention to detail. Excellent problem-solving and communication skills. More ❯

Data Engineer – Onsite (Central London) ⭐️ £50,000 – £55,000 + benefits ⭐️ 5 days onsite – Central London ⭐️ SQL, Python, API development ⭐️ Financial background preferred Join a leading investment management firm with a strong reputation for innovation in the financial sector. This is a fantastic opportunity to play a key role in building and maintaining robust data infrastructure supporting high … for a hands-on Data Engineer with solid SQL skills and experience in building and maintaining back-end APIs. SQL - strong experience essential. Python experience required. Proven experience in API development and maintenance. Previous experience within a financial services or investment management environment preferred. Strong analytical mindset and attention to detail. Excellent problem-solving and communication skills. More ❯

Data Engineer – Onsite (Central London) ⭐️ £50,000 – £55,000 + benefits ⭐️ 5 days onsite – Central London ⭐️ SQL, Python, API development ⭐️ Financial background preferred Join a leading investment management firm with a strong reputation for innovation in the financial sector. This is a fantastic opportunity to play a key role in building and maintaining robust data infrastructure supporting high … for a hands-on Data Engineer with solid SQL skills and experience in building and maintaining back-end APIs. SQL - strong experience essential. Python experience required. Proven experience in API development and maintenance. Previous experience within a financial services or investment management environment preferred. Strong analytical mindset and attention to detail. Excellent problem-solving and communication skills. More ❯

Data Engineer – Onsite (Central London) ⭐️ £50,000 – £55,000 + benefits ⭐️ 5 days onsite – Central London ⭐️ SQL, Python, API development ⭐️ Financial background preferred Join a leading investment management firm with a strong reputation for innovation in the financial sector. This is a fantastic opportunity to play a key role in building and maintaining robust data infrastructure supporting high … for a hands-on Data Engineer with solid SQL skills and experience in building and maintaining back-end APIs. SQL - strong experience essential. Python experience required. Proven experience in API development and maintenance. Previous experience within a financial services or investment management environment preferred. Strong analytical mindset and attention to detail. Excellent problem-solving and communication skills. More ❯

As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex … tangible impact. This role will be eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business goals and scalability requirements. … Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment. API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications More ❯

As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex … tangible impact. This role will be eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business goals and scalability requirements. … Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment. API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications More ❯

As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex … tangible impact. This role will be eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business goals and scalability requirements. … Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment. API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications More ❯

As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex … tangible impact. This role will be eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business goals and scalability requirements. … Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment. API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications More ❯

As a Senior Software Engineer, you will play a pivotal role in architecting and developing our next-generation web application and API. This role requires technical leadership, hands-on development, and mentoring of junior developers. You will drive the adoption of best practices, ensuring scalability, security, and performance. If you are passionate about software development, enjoy solving complex … tangible impact. This role will be eligible for visa sponsorship only for candidates that are already based in the UK. Key Responsibilities Technical Leadership: Lead the technical design and development of scalable, secure web applications and APIs, driving best practices across the development lifecycle. Architecture & Design: Oversee system architecture decisions, ensuring alignment with business goals and scalability requirements. … Mentorship: Mentor and guide junior developers, fostering a collaborative learning environment. API Development: Design and build RESTful API endpoints using NodeJS and Express, including detailed API documentation. Database Management: Design, optimize, and maintain complex SQL data models, ensuring efficient data structures, query performance, and reliability. Full-Stack Development: Develop responsive and performant front-end applications More ❯

who will define, develop, and maintain Application Programming Interfaces (APIs) for specific business functional and technical areas. This role involves creating high-level roadmaps for the implementation of robust API solutions, ensuring alignment with a common technical direction to achieve these objectives. Key Responsibilities Design and define API architecture and standards. Collaborate with development teams to implement … scalable API solutions. Ensure API security, reliability, and performance. Establish and enforce best practices for API development. Evaluate and select appropriate technologies and tools. Document architectural decisions and API specifications. Mentor and guide software engineers on API-related topics. Review and improve existing API implementations. Work with stakeholders to gather requirements and align API strategy. Monitor API usage and optimize for scalability and efficiency. Requirements Bachelor's or master's degree in computer science or related field. Proven experience designing and implementing APIs. Strong knowledge of RESTful and GraphQL API design principles. Experience with microservices architecture and cloud platforms. Familiarity with API security standards and best practices. Excellent problem-solving More ❯

who will define, develop, and maintain Application Programming Interfaces (APIs) for specific business functional and technical areas. This role involves creating high-level roadmaps for the implementation of robust API solutions, ensuring alignment with a common technical direction to achieve these objectives. Key Responsibilities Design and define API architecture and standards. Collaborate with development teams to implement … scalable API solutions. Ensure API security, reliability, and performance. Establish and enforce best practices for API development. Evaluate and select appropriate technologies and tools. Document architectural decisions and API specifications. Mentor and guide software engineers on API-related topics. Review and improve existing API implementations. Work with stakeholders to gather requirements and align API strategy. Monitor API usage and optimize for scalability and efficiency. Requirements Bachelor’s or master’s degree in computer science or related field. Proven experience designing and implementing APIs. Strong knowledge of RESTful and GraphQL API design principles. Experience with microservices architecture and cloud platforms. Familiarity with API security standards and best practices. Excellent problem-solving More ❯

who will define, develop, and maintain Application Programming Interfaces (APIs) for specific business functional and technical areas. This role involves creating high-level roadmaps for the implementation of robust API solutions, ensuring alignment with a common technical direction to achieve these objectives. Key Responsibilities Design and define API architecture and standards. Collaborate with development teams to implement … scalable API solutions. Ensure API security, reliability, and performance. Establish and enforce best practices for API development. Evaluate and select appropriate technologies and tools. Document architectural decisions and API specifications. Mentor and guide software engineers on API-related topics. Review and improve existing API implementations. Work with stakeholders to gather requirements and align API strategy. Monitor API usage and optimize for scalability and efficiency. Requirements Bachelor’s or master’s degree in computer science or related field. Proven experience designing and implementing APIs. Strong knowledge of RESTful and GraphQL API design principles. Experience with microservices architecture and cloud platforms. Familiarity with API security standards and best practices. Excellent problem-solving More ❯

who will define, develop, and maintain Application Programming Interfaces (APIs) for specific business functional and technical areas. This role involves creating high-level roadmaps for the implementation of robust API solutions, ensuring alignment with a common technical direction to achieve these objectives. Key Responsibilities Design and define API architecture and standards. Collaborate with development teams to implement … scalable API solutions. Ensure API security, reliability, and performance. Establish and enforce best practices for API development. Evaluate and select appropriate technologies and tools. Document architectural decisions and API specifications. Mentor and guide software engineers on API-related topics. Review and improve existing API implementations. Work with stakeholders to gather requirements and align API strategy. Monitor API usage and optimize for scalability and efficiency. Requirements Bachelor’s or master’s degree in computer science or related field. Proven experience designing and implementing APIs. Strong knowledge of RESTful and GraphQL API design principles. Experience with microservices architecture and cloud platforms. Familiarity with API security standards and best practices. Excellent problem-solving More ❯

who will define, develop, and maintain Application Programming Interfaces (APIs) for specific business functional and technical areas. This role involves creating high-level roadmaps for the implementation of robust API solutions, ensuring alignment with a common technical direction to achieve these objectives. Key Responsibilities Design and define API architecture and standards. Collaborate with development teams to implement … scalable API solutions. Ensure API security, reliability, and performance. Establish and enforce best practices for API development. Evaluate and select appropriate technologies and tools. Document architectural decisions and API specifications. Mentor and guide software engineers on API-related topics. Review and improve existing API implementations. Work with stakeholders to gather requirements and align API strategy. Monitor API usage and optimize for scalability and efficiency. Requirements Bachelor’s or master’s degree in computer science or related field. Proven experience designing and implementing APIs. Strong knowledge of RESTful and GraphQL API design principles. Experience with microservices architecture and cloud platforms. Familiarity with API security standards and best practices. Excellent problem-solving More ❯

Skills: Java, NodeJS, GCP, Rest, Microservices. Job Summary: We are seeking an experienced Lead Developer to join our dynamic team. The ideal candidate will have strong expertise in Java, API & Integration, Web Services, Node.js, and Google Cloud Platform (GCP), and will be responsible for leading the design and development of scalable applications and integrations. The candidate will work … cross-functional teams to ensure the seamless integration of systems and services. Familiarity with technologies such as Kafka, GitLab, SQL, and Unix is a plus. Key Responsibilities: Lead the development and architecture of scalable and high-performance applications and services using Java, Node.js, and Cloud technologies. Design and develop robust APIs and integrations using RESTful services, SOAP web services … and microservices architectures. Take ownership of the end-to-end process, from requirements gathering and design to development and production deployment, ensuring high-quality and efficient code. Collaborate with the DevOps team to ensure smooth deployments, CI/CD pipeline setup, and continuous integration. Lead and mentor a team of developers, promoting best practices in coding, design patterns, and More ❯

Overview About Certara is a growing company that provides a dynamic and exciting place to work. Our purpose is to assist in accelerating the development of meaningful medicines that make an impact on our society and the people that need them most. Innovation and creativity are highly valued, and everyone is given the opportunity for training and continuous development. … Our portfolio spans the discovery, preclinical, clinical and post marketing phases of drug development, working with 1,200 commercial companies, 250 academic institutions, and numerous regulatory agencies. As a Senior Software Developer at Certara, you will lead the design, development, and optimization of cloud native, scalable, web applications, APIs and services. Collaborating with developers, IT, DevOps, and science … and customer needs in a dynamic, forward thinking environment. This role is remote in the UK, but occasional attendance in the Sheffield office is required. Responsibilities Lead the design, development, testing, and deployment of cloud native scalable, high performance solutions and platforms, including web applications, APIs, services, databases, event busses and other infrastructure. Provide collaborative expertise and consultancy on More ❯

Mid Level & Senior .NET Developer (Azure/API Experience) Location: Hybrid Type: Full-time, Permanent Industry: Software Development – Accounting & Bookkeeping Solutions About Us My client is an award-winning software development company specialising in innovative cloud-based solutions designed for accountants and bookkeepers across the UK . Their mission is to simplify financial management through intuitive, reliable … empower professionals to focus on what they do best. As they continue to grow, we're looking for both Mid level & Senior .NET Developer's with strong Azure and API development experience to join our talented, collaborative engineering team. The Role You’ll play a key role in the design, development, and delivery of high-quality software … of accounting professionals nationwide. Working closely with our product managers, architects, and QA specialists, you’ll help shape our technology roadmap and contribute to the continuous improvement of our development practices. This is a hybrid position , with flexibility to work remotely and occasional on-site collaboration (1–2 times per month) at our Warwick office. Key Responsibilities Design, develop More ❯

Mid Level & Senior .NET Developer (Azure/API Experience) Location: Hybrid Type: Full-time, Permanent Industry: Software Development – Accounting & Bookkeeping Solutions About Us My client is an award-winning software development company specialising in innovative cloud-based solutions designed for accountants and bookkeepers across the UK . Their mission is to simplify financial management through intuitive, reliable … empower professionals to focus on what they do best. As they continue to grow, we're looking for both Mid level & Senior .NET Developer's with strong Azure and API development experience to join our talented, collaborative engineering team. The Role You’ll play a key role in the design, development, and delivery of high-quality software … of accounting professionals nationwide. Working closely with our product managers, architects, and QA specialists, you’ll help shape our technology roadmap and contribute to the continuous improvement of our development practices. This is a hybrid position , with flexibility to work remotely and occasional on-site collaboration (1–2 times per month) at our Warwick office. Key Responsibilities Design, develop More ❯