276 to 300 of 397 API Development Jobs

Software Engineer Country Intelligence Group is seeking a Full-Time Software Engineer to support our client in the development and optimization of complex software systems in Amentum, Georgia. The selected candidate will design, implement, and maintain scalable software solutions, lead development efforts, and collaborate with multidisciplinary teams to meet mission-critical performance standards. The candidate will develop and … technical documentation and contributing to software testing and validation. Tasks Performed: • Write or review software and system documentation. • Serve as team lead at the level appropriate to the software development process being used on any particular project. • Design or implement complex database or data repository interfaces/queries. • Develop or implement algorithms to meet or exceed system performance and … to work collaboratively in a high-performing, fast-paced, CI/CD environment. • Experience developing back-end services in Python. • Experience writing web user interfaces. • Experience with web service API development (e.g. ReST). • Experience developing applications for network connected databases (e.g. elastic). • Experience validating capabilities against requirements, writing and executing test cases, and capturing test results. More ❯

Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £120000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯

Trading UI Engineer – Front Office JavaScript, React, typescript, NodeJS, Tailwind, GraphQL, ApolloQL, Webpack, Cypress, HTML, CSS, REST, Data Visualisation, API. Real Time Trading Software, UI Development Perm Role – London – Onsite. £80000 - £120000 plus bonus Harrington Starr has partnered up with a Global Investment Bank in the City of London who are looking to hire a Senior UI Trading Software … out, designing and developing of UI screens for the users. This will require you to have client facing experience as well as low levy programming with JavaScript and React Development experience. Their systems cover all asset classes from FX, Fixed Income, Interest Rates and Commodities including derivative products although this knowledge is not essential but would be advantageous. The … Stack: Extensive React UI Development. Solid JavaScript programming Experience with Typescript Experience with Data Visualisation development. HTML and C55 Experience in Real Time trading application. Experience with GraphQL RESTful API development. BSc with Computer Science, Engineering or Mathematics. With a generous Basic Salary there is also a very healthy bonus scheme available including a number of other benefits. The More ❯

ll bring: Extensive experience with PHP and the Laravel framework . A strong understanding of object-oriented programming (OOP) principles. Proficiency with database technologies (e.g., MySQL). Experience with API development and integration. Knowledge of version control systems (e.g., Git). A problem-solving mindset and the ability to work independently and as part of a team. Excellent … a large user base. A hybrid working model offering excellent flexibility with a bias towards being home-based A collaborative and supportive team environment. Opportunities for professional growth and development . A competitive salary and benefits package. You must have full eligibility to work in the UK, as they are unfortunately unable to provide work permit sponsorship. If you More ❯

duty & tariffs, etc and develop APIs for 3rd party integrations. The ideal candidate will have substantial expertise in working with Node, ideally in an AWS serverless environment. Responsibilities: Backend Development: Design, develop, and maintain serverless systems in Node on AWS. Utilize AWS services such as Lambda, DynamoDB, S3, ECS, ECR for efficient data processing. Develop and maintain Docker containers … for data processing. Integration and Deployment: 3rd party API development Work on systems using AWS ECS and ECR for deployment. Implement and optimize CI/CD pipelines for efficient deployment processes. Monitoring and Logging: Implement and maintain monitoring solutions using CloudWatch. Utilize EventBridge for event-driven architectures. Requirements: proficiency in Node with AWS services, serverless architecture, and Docker … per annum. Remote: Enjoy the flexibility of working from anywhere. Comprehensive health insurance coverage for you and your family. Plan: Secure your future with our contributory pension scheme. and Development: Continuous learning opportunities to enhance your skills. Balance: Flexible working hours to support your work-life balance. Leave: 25 days paid (plus Bank Holidays). If you feel you More ❯

focal point, promoting best practices and enforcing architectural and coding standards. Qualifications: - BSc degree in Computer Science or equivalent practical experience. - At least 4+ years of server-side software development experience in languages such asPython, Java, Scala, or Go. - Experience withBig Datatechnologies likeSpark, Databricks,andAirflow. - Familiarity with cloud environments such asAWSor GCP and containerization technologies likeDockerandKubernetes. - Strong problem-solving … skills and ability to learn new technologies quickly. - Excellent communication skills and ability to work in a team-oriented environment. Nice to Have: - Familiarity with Microservices architecture and API development. - Knowledge of databases like Redis, PostgreSQL, and DWH (such as Redshift, Snowflake, etc.). We will handle your application and information related to your application in accordance with the … Python/Java/Scala/Go? Select Do you have experience with Big Data Technologies like Spark, Databricks,andAirflow? Do you have any experience with Microservices architecture and API development? If yes, please describe briefly. What are you salary expectations? Do you require visa sponsorship to work in the UK? Select More ❯

competitive but rapidly expanding market, they’re now looking to bring a skilled Software Developer into their growing team. They’re seeking someone with strong Python skills - especially around API development - and the ability to apply this attention to detail to front-end projects and intuitive designs. The Role Write clean, secure and scalable code using modern frameworks … teams to transform UI and UX concepts into user-friendly and accessible interfaces Requirements for Success A minimum of 3 years of hands-on experience using Python for web development Excellent communication skills and the ability to work effectively in remote, cross functional teams Strong attention to detail and the ability to write clean and efficient code A genuine … of a mission led organisation, helping to shape impactful technology while continuing to develop professionally. Benefits: Remote working Generous holiday Potential share options Collaborative and supportive culture with professional development, attending events and more! Opportunity to be part of a growing team and leading organisation Interested and ready to take your Development career to the next level? Get More ❯

market as the first real-time credit bureau. We are a seed-stage startup with the mission to empower better lending with accurate, real-time credit data through modern, API-first solutions. As an FCA-authorised challenger credit reference agency, we're transforming how consumer credit information is reported and shared between lenders. About the Role: We’re seeking … an outcome-focused and principled Go engineer (junior to mid-level) to join our dynamic team. You will play a key role in designing, delivering, and operating API services on AWS with some React-like SaaS UX. As part of our small, collaborative, and highly productive engineering team, reporting to the CTO, you’ll have the opportunity to contribute … operation. Demonstrate high standards of quality, ownership, security, and taste. What We’re Looking For: 2+ years of commercial software engineering experience, with at least 2 years in Go API development, and 1 year in React or similar – we use Svelte. Experience with secure AWS infrastructure, containers, and distributed systems, e.g., Docker, PostgreSQL Aurora, Cognito, DynamoDB, ECS. Proficiency More ❯

focused full stack engineer, skilled in React and Go (junior to mid-level) to join our dynamic team. You will play a key role in designing, delivering, and operating API services on AWS with a clean React (Svelte) SaaS UX. As part of our small, collaborative, and highly productive engineering team, reporting to the CTO, you’ll have the … and architecture Demonstrate high standards of quality, ownership, security, and taste. What We’re Looking For: 1+ years of commercial software engineering, with at least 1 year in Go API development, and 1 year in React or similar – we use Svelte. Proficiency in modern CI/CD practices – we use GitHub Actions A passion for problem-solving and More ❯

and improve engineering best practices Your skillset: Expert Python dev (pandas, FastAPI, Pydantic) Strong ML/AI experience incl. AutoML, LLMs, HuggingFace, LangChain Proficiency in Linux, Git, PostgreSQL, and API development Experience deploying AI models in containerised, cloud-based environments Bonus: agentic AI (smolagents, AutoGen), fine-tuning, MLOps know-how If you're passionate about shipping real AI More ❯

Engineers, Product Teams, Designers, and QA professionals to create seamless experiences. Participate in Product Planning: From discovery to deployment, we value your input throughout all stages of the Software Development Lifecycle Develop and Enhance Features: Collaborate to develop robust new features, APIs, and continuously improve our industry-leading products. Help find and fix bugs at "Deel Speed." Provide an … Exceptional, Customer-Centric Experience: Ensure top-tier products and services through quality engineering and attentive, customer-focused development. What you'll bring to the Team: Expertise in Backend Development: Strong proficiency in Node.js, TypeScript/JavaScript best practices, along with experience in at least one other server-side language. Database Mastery: You're a SQL guru, particularly with PostgreSQL … scalability, ensuring they manage rapid growth and increasing demands efficiently. High-Volume Performance: Proven expertise in optimizing systems for large transaction volumes, handling concurrency, idempotency, and performance under load. API Development: Skilled in building APIs, including input validation, JWT tokens, and ensuring security & scalability through queue-based systems. Experience: at least 8 years of experience as a Software More ❯

up new horizons, our faith in its potential unveils a new outlook where, together, humans and machines build a new future filled with knowledge, inspiration, and incredible discoveries. The development of a functional humanoid robot underpins an era of abundance and well-being where poverty will disappear, and people will be able to choose what they want to do. … low-level language (e.g., C++, C, Bash) for developing robot-side services. Strong experience with React (or similar frameworks) for creating user-friendly and scalable web applications. Expertise in API development, data handling, and creating scalable service architectures. Proficiency with CI/CD pipelines, containerization (e.g., Docker, Kubernetes), and workflow automation. Understanding of network protocols and secure data More ❯

application performance, troubleshoot and resolve production issues. • Implement security best practices, including authentication, authorization, and data protection. • Drive technical discussions and guide the team in adopting best practices for API development. • Contribute to CI/CD pipeline setup and deployment automation. More ❯

A leading global insurer are looking to hire an API Implementation Specialist to join a well established team which is growing. The role will involve developing analytics solutions using leading tech stacks and cloud technologies (Azure, Snowflake, Databricks and Python). The Role Develop and maintain an API strategy aligned with business objectives, enhancing current systems and integrating … third-party APIs. Design and develop API architectures, set standards, and collaborate with stakeholders to integrate APIs with existing systems. Build integrations with both internal systems and external API providers. Document API development processes, code, and revisions using Confluence. Implement robust security protocols for APIs and coordinate with cybersecurity teams to address threats. Continuously monitor API performance, troubleshoot issues, and manage regular updates and maintenance. Communicate with developers, IT teams, and business leaders to align API initiatives with business goals. Provide training and technical support on effective API usage to team members. Manage technical relationships and coordinate with third-party vendors. Research and stay current with trends and innovations in the API More ❯

A leading global insurer are looking to hire an API Implementation Specialist to join a well established team which is growing. The role will involve developing analytics solutions using leading tech stacks and cloud technologies (Azure, Snowflake, Databricks and Python). The Role Develop and maintain an API strategy aligned with business objectives, enhancing current systems and integrating … third-party APIs. Design and develop API architectures, set standards, and collaborate with stakeholders to integrate APIs with existing systems. Build integrations with both internal systems and external API providers. Document API development processes, code, and revisions using Confluence. Implement robust security protocols for APIs and coordinate with cybersecurity teams to address threats. Continuously monitor API performance, troubleshoot issues, and manage regular updates and maintenance. Communicate with developers, IT teams, and business leaders to align API initiatives with business goals. Provide training and technical support on effective API usage to team members. Manage technical relationships and coordinate with third-party vendors. Research and stay current with trends and innovations in the API More ❯

technologies What We're Looking For: Proven experience as a Solution Architect or Solution Designer Strong background in systems architecture, software design, and data modelling Proficiency in cloud platforms, API development, message buses, DevOps practices, and languages such as C#, Python, or PHP Excellent communication and stakeholder management skills Strategic thinker with a collaborative mindset and strong attention More ❯

integration team and develop a cross functional integration platform. This is a great opportunity to upskill and become product certified. This role will be responsible for integration design and development, gathering client requirements and working across the full development lifecycle. Key Responsibilities: Develop and test end to end integration patterns. Learn and work with leading integration technologies (iPaaS … and API) - Mulesoft, SnapLogic, RedHat etc.) API and microservice design across cloud and on-prem environments. Learn and integrate with leading SaaS platforms. Complete high-quality deliverables in a fast-paced client facing environment. Key Requirements: Proven JavaScript experience (Java is a bonus) working across the full SDLC. Experience developing software for customers/third party clients considering … customer requirements and deadlines. Previous knowledge around the integration of software/systems (API development etc). Excellent communication skills with the ability to work with functional and non-functional stakeholders. Strong analytical skills – Able to complete business requirements gathering and mapping. This is a permanent position which provides a base salary of up to £60,000 plus More ❯

integration team and develop a cross functional integration platform. This is a great opportunity to upskill and become product certified. This role will be responsible for integration design and development, gathering client requirements and working across the full development lifecycle. Key Responsibilities: Develop and test end to end integration patterns. Learn and work with leading integration technologies (iPaaS … and API) - Mulesoft, SnapLogic, RedHat etc.) API and microservice design across cloud and on-prem environments. Learn and integrate with leading SaaS platforms. Complete high-quality deliverables in a fast-paced client facing environment. Key Requirements: Proven JavaScript experience (Java is a bonus) working across the full SDLC. Experience developing software for customers/third party clients considering … customer requirements and deadlines. Previous knowledge around the integration of software/systems (API development etc). Excellent communication skills with the ability to work with functional and non-functional stakeholders. Strong analytical skills – Able to complete business requirements gathering and mapping. This is a permanent position which provides a base salary of up to £60,000 plus More ❯

Us as a Senior Python Developer! We're on the hunt for Senior Python Developers to help move our highly visible and mission critical projects forward with expertise in API development and database experience. Tech Force Alpha is a Mission focused company who treats their employees like the valued experts they are and provides top notch results to … our clients. We are looking for solid application developers to join our team and grow our capability to provide critical and highly impactful applications to our clients. Key Responsibilities: Development, enhancement, and upkeep of python applications. (Full-Stack or Backend) Design, creation, enhancement, and sustainment of backend APIs for critical system wide applications Collaborate closely with cross-functional teams … to ensure seamless integration and delivery of software application solutions. Required Skills and Experience: Solid experience in Python Experience with API design/development Experience with MariaDB and/or MongoDB Need 6 years of experience with a Bachelor's degree in a related field or 4 years of experience with a Master's degree in a related More ❯

with some PHP, whos passionate about building powerful systems, automating workflows, and turning ideas into real-world solutions. This is a standalone role where you will be the sole development expert and have a key responsibility in generating ROI from the work that you do. You will be an integral part of the business as they aim to drive … increased revenue and workflow from your ideas Responsibilities Microsoft 365 Platform Development: Enhance and expand their use of Dynamics 365, integrating it with their software via APIs. Data Visualization: Build interactive dashboards and heat maps using Power BI to visualize global activity. Automation & Integration: Sync Dynamics with various internal applications and automate credit checks, customer alerts, and marketing workflows. … AI & Algorithmic Triggers: Develop smart alerts based on customer behavior trends. Web Development: Improve and expand their web-based quoting tools and plugins. API Development: Connect with global data sources like currency rates, oil prices, and freight indices. Skills Proficiency in SQL and PHP Experience with Microsoft Dynamics 365, Power BI, and .Net Strong understanding of API More ❯

skills, Spring MVC, Apache CKF, Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: A minimum of 5 years’ work experience in Software Development Experience with implementing service-oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using any ESB products like Fuse, Camel, TIBCO, IBM message broker Designs and develops ESB … Web services Solid hands-on experience in architecting and developing J2EE based web applications (JSP, Servlet, JDBC, JMS, JAXB) Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON, and XSLT Solid understanding of integration & design patterns Gain adoption of platform delivery processes, standards and procedures Provide … hands-on technical leadership throughout software development lifecycle (requirements gathering, Proof of Concept (POC) development, RFP creation and evaluation, design, development, implementation and close out) Experience in Database SQL Queries in Oracle Experience in Tomcat or WebLogic or Web sphere Ability to work independently in Agile Methodology (KanBan) Experience with different open source stacks including build & release More ❯

skills, Spring MVC, Apache CXF, Dozer (a fast and flexible framework for mapping back and forth between Java Beans) & XML: A minimum of 5 years’ work experience in Software Development Experience with implementing service-oriented architecture (SOA) Designs and develops Enterprise application integration (EAI) using any ESB products like Fuse, Camel, TIBCO, IBM message broker Designs and develops ESB … Web services Solid hands-on experience in architecting and developing J2EE based web applications (JSP, Servlet, JDBC, JMS, JAXB) Expert level experience with SOAP and REST web services , open API development, and SOA concepts, using Spring with groovy, XML, JSON, and XSLT Solid understanding of integration & design patterns Gain adoption of platform delivery processes, standards and procedures Provide … hands-on technical leadership throughout software development lifecycle (requirements gathering, Proof of Concept (POC) development, RFP creation and evaluation, design, development, implementation and close out) Experience in Database SQL Queries in Oracle Experience in Tomcat or WebLogic or Web sphere Ability to work independently in Agile Methodology (KanBan) Experience with different open source stacks including build & release More ❯

scalable and data-driven. Responsibilities: Design and develop robust APIs to enable seamless data exchange and integration between systems. Create clear documentation and guidelines to support consistent and effective API usage. Collaborate with stakeholders to gather requirements and deliver secure, real-time integration solutions. Ensure data accuracy and compliance through proper mapping, transformation, version control, and adherence to privacy … standards. Support continuous improvement by resolving issues promptly, sharing best practices, and contributing to team learning and ad hoc tasks. Skills & Experience: Previous experience in integration development Strong skills in API design and development Hands-on experience with Microsoft Azure Ability to work independently and manage tasks proactively Excellent communication skills, both written and verbal Strong documentation More ❯

are seeking a highly skilled C++ Developer to work on a cutting-edge broadcast technology project with a leading industry partner. This role requires expertise in high-level software development, with a focus on real-time systems, scalable applications, and networking protocols. Logistics Position: Freelance C++ Developer (Contract) Duration: 6-Month Contract (Potential for Extension) Location: Hybrid - 3 Days … broadcast technology solutions. Collaborate with internal teams to ensure scalability, maintainability, and performance of the software. Work on networking protocols (UDP, TCP, WebSockets) to handle real-time data and API development for system integration. Support integration with third-party systems and collaborate with external vendors. Participate in Agile sprints, code reviews, and retrospectives. Essential Skills: Strong experience in … C++ development, particularly for high-level software (rather than embedded systems or device drivers). Proficient in Windows application development (experience with Visual Studio is essential). Solid understanding of multithreaded programming, real-time systems, and networking protocols (UDP, TCP, WebSockets). Experience working with RESTful APIs and system integration. Familiarity with Agile methodologies and collaborative development More ❯

Avanti Recruitment is partnering with a Sheffield-based software development company with over 20 years of expertise building operational systems for secure and specialist environments. Their technology is used in critical, real-world settings with long-term client relationships built on tailored solutions. You'll join their development team to lead the modernisation of their core booking and … migrating from .NET Framework and legacy VB.NET to modern .NET Core. This system is central to their business operations, making this a high-impact role from day one. Technical Development: Migrate core systems from .NET Framework/VB.NET to .NET Core Develop bespoke software solutions using .NET and C# Build APIs and integrate with existing operational systems Client Interaction … and clarify requirements Collaborate throughout the full software lifecycle from proposals to deployment Write documentation and coordinate release management Essential Skills Strong .NET and C# experience SQL Server proficiency API development experience UK Driving License and vehicle access Eligible for UK Government SC Clearance Desirable Skills Angular or Node.js exposure Azure cloud experience VB.NET knowledge (helpful for migration More ❯