76 to 100 of 224 API Development Jobs

7.0 to 8.0 (and eventually 9.0). This role also involves enhancing existing Java, C/C++, and ASP.NET/C# interfaces, implementing new interfaces, and supporting web application development tied to HiCAMS. Responsibilities: Diagnose and resolve Java library/compatibility issues between RHEL 7.0, 8.0, and 9.0. Enhance and maintain Java, C/C++, and ASP.NET/C# … Support SQL database tasks, including stored procedures, triggers, and data conversion. Document technical solutions and communicate effectively with both business and IT teams. Required Skills (10+ Years): Strong Java development experience with RHEL compatibility issue resolution. Advanced SQL expertise (any platform, Sybase preferred). Experience in remote software development environments. Strong analytical and problem-solving skills. Excellent communication … and interpersonal skills. Preferred Skills: C# and ASP.NET development experience. C/C++ development experience. Experience coding stored procedures and triggers. (link removed) application/API development in Visual Studio. Data conversion experience. More ❯

security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within working squad and in HL as a whole. Actively participating in working groups and communities of practice designed to support the development … onboarding 3rd party vendors, meeting with vendor engineering contacts, defining integration patterns, abstracting vendor APIs/data models from internal downstream services etc. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within an Agile framework. Experience of working in a DevOps culture. Knowledge … Trunk Based Development. Aware of website performance implications, best practices and other non-functional requirements. Able to write, assist in writing or reviewing technical documentation. Advocate Knowledge of excellent development practices to optimise for rapid and continuous delivery of client value. Desirable Previous experience of working with a Headless CMS solution (Contentful). Understanding and appreciation for the Jamstack More ❯

cloud platform (AWS) and on VMs hosted a managed on-prem hosting environment. The application is extant and Live. You are to be the senior developer leading the ongoing development and support of the application, including designing, developing, integrating and unit testing new features in response to Product Owner/Client priorities and fixing bugs/issues raised on … the Live application. You will have experience working with/developing microservices, containerised applications, TypeScript, React(TypeScript), GraphQL/Hasura, API development and integration, PostgreSQL, JavaScript, GoLang, and Python. You will be comfortable using the supporting tools for Agile product delivery such as JIRA (User Story/Defect/Task Management), Confluence (Documentation/Comms), and Slack (collaboration …/comms). Key Responsibilities Lead development of microservices and front-end components using Node.js (TypeScript) and React (TypeScript). Configure and extend Hasura GraphQL Engine, including permissions, computed fields, and API integrations. Design and implement PostgreSQL schemas, migrations, and triggers; ensure data integrity and performance. Integrate with Identity and Access Management (IdAM) systems. Ensure secure coding practices More ❯

solving technical problems to creating design documents and implementing complex designs. Directly responsible for consistently delivering scalable, production-ready back-end/server code in Java, from design and development to deployment, as a member of an Agile development team. Partner closely with a cross-functional team of key stakeholders (Engineers, Architects, Product Managers, QA, and Operations) to … operations. Display a passion for high quality, continuous learning, and experimenting and applying cutting-edge technology, software paradigms, and engineering process improvements. Qualifications: Demonstrates strong software design skills (REST API design, extensible design while coding, good at DB modelling, proactive in error handling); expert in Java/Spring/Hibernate skills. 5+ years of software engineering experience, including a … AWS. Fluent in Databases/SQL (MySQL experience preferred). Excellent programming discipline: data structures, complexity analysis, object-oriented principles, design patterns, and unit testing. Excellent knowledge of the development challenges inherent with highly scalable and available web/mobile applications. Experience with API development and integration with 3rd-party services is preferred. Ability to work well More ❯

Rapidly prototype, test, and iterate on AI tools with a strong focus on performance, flexibility, and scalability Maintain clear technical documentation, perform code reviews, and support the full software development lifecycle Software Engineering & AI/ML Data, Tools Development Proficiency in Python, with a background in back end services and data processing Exposure to AI/ML algorithms … Familiarity with ML frameworks (TensorFlow, PyTorch, scikit-learn) Understanding of LLMs, vector databases, and retrieval systems Experience with Model Context Protocol (MCP) integration and server development Big Data & Cloud Infrastructure Knowledge of building and deploying cloud based applications Hands-on experience with cloud data platforms (AWS/GCP/Azure) Proficiency with big data technologies (Spark, Kafka, or similar … Snowflake, BigQuery, Redshift) and data lakes Knowledge of containerization (Docker/Kubernetes) and infrastructure as code Preferred Experience Experience building web applications with modern frameworks (React, Vue, or Angular) API development and integration experience Basic UX/UI design sensibilities for internal tooling Experience with real-time data processing and analytics Background in building developer tools or internal More ❯

healthcare platform for people across Europe. About the role: We are hiring a Full Stack Engineer to join the ZAVA Engineering team and increase the overall capacity of our Development function. While you will be part of our Engineering team, day-to-day, you will work in one of our cross-functional squads, working alongside engineers and product management … taking responsibility for the development and maintenance of ZAVA products and services. ZAVA Engineering is an agile, highly collaborative and passionate environment. You should be open to pairing, helping others and expanding your skills. We have three product development squads, each consisting of 4-6 people. With increased demand for our services, we need your help to join … from salary we offer atraining budget, 10% R&D and learning time and flexible working (working pattern can be discussed) Day-to-day, the work will encompass: Hands on development of ZAVA applications and architecture - You will be responsible for design, implementation and delivery of new applications, components and features including incremental updates to ZAVA's current components as More ❯

security, performance and CI/CD processes. Responsible for documenting all solutions, produced to agreed team standards. Demonstrate a willingness to learn and further technologies & techniques embraced by the development team. Cultivate strong working relationships both within working squad and in HL as a whole. Actively participating in working groups and communities of practice designed to support the development … onboarding 3rd party vendors, meeting with vendor engineering contacts, defining integration patterns, abstracting vendor APIs/data models from internal downstream services etc. Understanding of Microservices & principles of RESTful API development, including structuring, documenting, versioning, testing and stubbing/mocking. Experience performing code reviews. Experience operating within an Agile framework. Experience of working in a DevOps culture. Excellent … Trunk Based Development. Aware of website performance implications, best practices and other non-functional requirements. Able to write, assist in writing or reviewing technical documentation. Advocate Knowledge of excellent development practices to optimise for rapid and continuous delivery of client value. Previous experience of working with a Headless CMS solution (Contentful). Understanding and appreciation for the Jamstack architectural More ❯

challenges. Qualifications: U.S. Citizenship is required by Federal Law Bachelor's degree in Computer Science or related field (or equivalent experience). 5+ years of experience in web application development, or 3+ years with a Master's degree. Ability to obtain and maintain a Secret Clearance Subject Matter Expert (SME) in Django and Python, with experience developing full-stack … tasks from requirements to deployment. Demonstrated ability to solve complex problems using sound software engineering principles. Skilled in developing with Information Security in mind. Preferred Skills: Experience with RESTful API development and integration. System administration and deployment experience in Active Directory environments. Understanding of best practices in database administration, indexing, and query optimization. Familiarity with agile methodologies and … working in iterative development cycles. Experience with enterprise hosting, CI/CD pipelines, or containerization (e.g., Docker). Moseley Technical Services, Inc. is an AA/EEO/Veterans/Disabled Employer. Still have questions? Reach out to Brian- (Phone) (Email) What to Expect Applicants selected for employment will be required to pass a pre-employment drug screening and More ❯

You'll help design and implement robust, secure systems, write clean and testable code, and support key architectural decisions. You'll also collaborate with cross-functional teams, contribute to API development, and mentor junior developers. There's potential to lead a small team and take ownership of a stream of work depending on your experience and goals. Key … using Java, TypeScript, and React-so flexibility and a passion for learning are key. Benefits: Salary up to £70k depending on experience 25 days' holiday + bank holidays Personal development budget Collaborative, supportive engineering culture Modern stack with evolving tech roadmap Opportunity to lead a small development team What Happens Next? Please either apply online or email me … only. We look forward to hearing from you! Key Skills: PHP, Symfony, MySQL, REST APIs, Microservices, JavaScript, React, Java, AWS, Docker, CI/CD, Git, Secure Coding, Test-Driven Development, Distributed Systems, Infrastructure as Code (CDK/Terraform), Linux/Bash More ❯

to agile ceremonies, code reviews, and DevOps pipelines. Ensure applications meet performance, security, and compliance standards. Support deployment and maintenance of services in secure environments. Key Skills & Experience Frontend & API Development: Node.js, React, Next.js TypeScript Express.js Docker Azure Web Apps Backend Development: Azure Function Apps (Node.js, TypeScript) Elasticsearch Kubernetes (AKS) Infrastructure & DevOps: Microsoft Azure: Cosmos DB, API … . What's on Offer £70,000 - £85,000 base salary Performance-based bonus Flexible working options Secure project environments Inclusive culture with access to DEI networks and continuous development This is a unique opportunity to contribute to national security through cutting-edge software engineering. If you're passionate about solving real-world problems in secure environments and want More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team? We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer More ❯

Essential: Backend: Python (Flask/FastAPI/Django) Cloud Systems: AWS, Azure, GCP Bonus: Frontend: React/TypeScript Are you an experienced Software Engineer with refined technical skills across API development and DevOps practices, looking for a new role in a forward-thinking, collaborative team? We are working with an organisation well known for fostering creativity, collaboration, and … to-end web platforms using Python (Django), developing RESTful APIs Collaborating within an agile, cross-disciplinary team to tackle technical and commercial challenges. Containerising applications with Docker for consistent development and release. Launching and managing applications within cloud-hosted infrastructure. Embedding testing into everyday development, with a focus on writing the right tests at the right layers. In … impact with a user-focused approach to development. Benefits: Flexible working environment Remote first/hybrid Competitive holiday & pensions Private healthcare And more! Interested and ready to take your Development career to the next level? Get in touch at (url removed) or drop me a call for a confidential chat at (phone number removed). Senior Software Engineer More ❯

Clearance: Active Top Secret clearance required (with the ability to upgrade to a CI Poly) Compensation: $120,000 - $150,000 (depending on experience) Job Responsibilities: This position involves software development activities that support building and delivering new and innovative software solutions to Aeronautical based applications. Duties will include building AWS services, deep understanding of software languages (C#/Java … Python, Shell), participate in Agile Methodology, perform deployments to multiple development, test and operational environments, patching, troubleshooting, and working with internal teams and departments. Core Qualifications: The applicant must possess a deep understanding of core AWS services, like compute, storage and be able to develop and deploy cores services (Lambda, EC2s) C#/Java and JavaScript/TypeScript, Python … new and existing functionality within software version control repositories (Gitlab) and utilizing DevOps principals and tools to deliver new features within an Agile construct Participate in program Agile software development initiatives (standup, planning, Increment planning) to support innovation and enhancement of custom applications through iteration/functionality testing utilizing Atlassian (Jira/Confluence) Primary responsibilities will involve using cloud More ❯

Director of Engineering, Web Application Development page is loaded Director of Engineering, Web Application Developmentlocations: London, United Kingdomtime type: Full timeposted on: Posted Todaytime left to apply: End Date: October 16, 2025 (30+ days left to apply)job requisition id: R Role Description This is a senior leadership position in the FTSE Russell Technology team. You'll be responsible … approach in delivery. Key Responsibilities Collaborate closely with the key FTSE Russell customers and provide overall technology engineering leadership, expertise, and mentorship to lead all aspects of a software development - Requirements, Business Analysis, Architecture, Planning & Execution Through strong engagement and demonstration of E2E Index lifecycle, design most appropriate technical solutions involving user interfaces, back-end interactions and process orchestrations … Develop and implement roadmap for platforms to deliver initiatives concerning key index business functions Architect, design and coordinate the development of sophisticated front-end tools and the back-end services Lead a team of engineers that are skilled on different stacks - Angular, Java, Python and SQL. Implement multi-cloud solutions to ensure flexibility, scalability, and reliability of infrastructure across More ❯

from home and 3 days on site. You will be responsible for building and implementing functional programs. Working with other Developers, Product Managers, and Delivery Leads throughout the software development life cycle as well as helping to create and maintain SharePoint 365 sites. You will also build efficient programs and systems that serve Customer needs as well as resolving … working (to be agreed with Line Manager) 25 days holiday per calendar year with option to purchase up to 5 more days (subject to meeting eligibility requirements) Dedicated Learning & Development team to support you and your career Employee Assistance Program providing 24 hours support & advice in areas such as health and wellbeing for yourself, your family & friends (up to … in Scrum/Agile teams Aptitude and passion for data structure & software application Ability to focus across multiple tasks & technologies in a diverse environment Critical thinking Problem solving REST API development and integration SPA (Single-page web app) development Linux command line Your Role As a Software Developer your role will involve: Active participation in all Agile More ❯

position is contingent upon contract award (expected October 2025). The selected candidate will support IT networks, systems, and initiatives with activities that include information systems operations, information systems development and modernization, and IT security. The team you will join is also responsible for the development, implementation, and subsequent operations and maintenance of new applications each fiscal year. … strategic guidance, technical leadership, and deep expertise in database design, management, and optimization within the Cyber Technical Analytics and Operations Section (CTAOS). Act as a trusted advisor across development, operations, and analytics teams, ensuring best practices in database architecture, performance, and security across multi-enclave environments. Responsible for SQL and PL/SQL development to include: developing … developing custom scripts to automate various database management processes, monitoring and troubleshooting database performance; developing, optimizing, and tuning stored procedures, functions, triggers, views, and queries in support of application development; interfacing with customers, users, and developers as needed; maintaining the database schema, database design, and transition development activities; Provide technical subject matter expertise (SME) on ingesting into the More ❯

that integrate with AI-driven applications. Database Architecture & Scaling: Architect schemas and manage diverse data systems (SQL, NoSQL, Vector DBs, and others) for optimal performance and scalability. Backend Systems Development: Drive the implementation of backend services, focusing on performance, maintainability, and reliability. Performance & Reliability: Diagnose and optimize system bottlenecks, ensuring high availability and low-latency performance across large-scale … scale systems in production. Expertise in Databases: Strong experience with SQL, NoSQL, and emerging database technologies (e.g., Vector DBs); proven track record in schema design, indexing, and query optimization. API Development: Proven ability to design and scale RESTful or GraphQL APIs with a focus on reliability and performance. Python Expertise: Strong experience with Python for backend services (e.g. … with Latest AI Tools: Exposure to AI technologies such as Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), or agentic frameworks, as well as experience leveraging AI to improve development performance. Scientific or Data-Intensive Domains: Experience working with life sciences, material sciences, or other research-heavy fields. Leadership & Mentorship: Experience guiding peers in backend best practices, performance optimization More ❯

/BDD principles Create and maintain RESTful and GraphQL APIs Collaborate with POs, BAs, and stakeholders to define solutions Mentor junior developers and promote best practices Drive improvements in development processes and tools What You Bring 5+ years of backend development experience Expertise in C#, .NET (preferably .NET 6+), and SQL Server Deep understanding of SOLID and OOP … principles Skilled in Git, Unit Testing (NUnit), and API development Familiarity with CI/CD pipelines and agile methodologies Strong communication and problem-solving skills Desire to grow within a dynamic and evolving team Why Join? This is an incredible opportunity to make your mark in a company that prioritises purpose, innovation, and professional growth. You'll be … part of a team where your ideas are welcomed, your development is encouraged, and your work truly matters. Ready to build something that helps others-and builds your career in the process? Apply today. 48954MSR1 INDMANS More ❯

excellent technical competencies with a desire to improve and mentor junior members of the team. You will take responsibility for your assigned work by taking ownership of the design, development testing and deployment of software across the team, and work closely with the Principal Engineer, Architects and Leads to ensure the successful deployment into production environments. Role Responsibilities: Be … OR Node.js (.Net 8+) in a professional environment. Worked within an Agile Cross-functional delivery team. Developing well tested software into low latency event driven production environments. Full software development lifecycle in a technical role. Pub/Sub patterns with Messaging technologies (such as RabbitMQ/SOLACE/AMQP) API Development using REST and GraphQL practices. Worked More ❯

We are seeking a Full Stack Developer to join our growing team to support the development and enhancement of an enterprise web application. The ideal candidate will have experience building robust, user-centric web applications and backend services using JavaScript (frontend), Java (backend) and Elasticsearch (search and indexing) Job Description - Develop, maintain and enhance web applications using JavaScript frameworks … CD pipelines and automated testing strategies Required Skills: - Experience with JavaScript (React, Angular or similar) and Java (Spring Boot or similar) - Experience integrating and querying Elasticsearch - Proficiency in RESTful API development and microservice design - Experience working with JSON, XML, and structured metadata - Familiarity with version control systems (e.g. Git) - Strong problem-solving skills and attention to detail - Communication More ❯

kicking off their search for the next one! Key technologies are as follows: Proficiency in scripting languages such as TypeScript and JavaScript Experience with React and Next.js for frontend development Familiarity with Node.js API development using frameworks like Fastify, Express Experience using API testing tools such as Postman or Bruno Exposure to document and relational databases More ❯

include, but are not limited to, health insurance (medical, dental, vision), 401(k) plan, and paid sick leave (depending on work locationKey Requirements and Technology Experience: Key Skills:REST API Development in Java/Spring Framework. UI Preference is React first then Angular. AWS (EKS) and CI/CD knowledge. Computer Science preferred, Engineering/Mathematics or comparable. … experience in crafting and developing using the following technologies: Unix and Shell scripting skills. Experience with common programming languages such as core Java, Python etc. Experience with SOA and API frameworks such as Spring, Micronaut (REST Pipeline/Build tools GIT, Maven, Jenkins Core. Front end skills including JavaScript, JQuery, AngularJS, NodeJS and React a plus. Observability tools like More ❯

not only using these tools but also an in-depth understanding of how they work in an enterprise environment. Specifically, the candidate needs to understand the implementation process including API's, the processes needed to integrate the tool within Bloomberg's environment, and promote self-service offerings. The candidate should be able to craft out a long term strategy … for new tool & extensions evaluation Owning the stakeholder management lifecycle & streamlining the book of work for the team You'll need to have: 4+ Years of Experience in QlikSense API development such as QRS, Qlik Sense Repository Service API and Qlik Sense Proxy Service API 4+ Years of Experience in SQL capabilities and dimensional modeling Ability More ❯

real-time data processing, and integrate cutting-edge cybersecurity tools ( CrowdStrike, Elastic, Windows Defender ). You'll also help shape best practices, guide architectural decisions, and foster a strong development culture within the team. Key responsibilities : Develop & optimize full-stack applications using Supabase (SQL), NextJS, TypeScript, and Python . Build scalable and secure APIs to interact with security tools … system architecture decisions , ensuring scalability and maintainability. Foster a collaborative team environment , helping junior developers grow their expertise. Requirements Required skills & experience : 5+ years of experience in full-stack development , ideally in cybersecurity or security-related applications . Proven experience leading and mentoring junior developers in a team setting. Expertise in TypeScript, NextJS, Python, and Supabase (SQL) . Strong … experience with API development (REST, GraphQL), authentication (OAuth, JWT), and security best practices . Familiarity with SIEMs, EDR solutions, security automation, and large-scale security data processing . Experience working with large-scale databases, query optimization, and performance tuning . Hands-on experience integrating with security tools like CrowdStrike, Elastic, or Windows Defender . Knowledge of cloud platforms More ❯

Dublin focused on rapid prototyping and innovation. We seek a hands-on, delivery-oriented Full Stack Engineer for our Product Engineering. In this role, you will engage in the development and implementation of innovative solutions that leverage Generative AI and other advanced technologies. You will provide technical leadership across the full stack, setting standards for robust design and timely … junior team members. What Technical Skills Do We Require: MEAN/MERN Stack experience. Familiarity with cloud platforms (AWS/GCP/Azure). Exposure to Apigee as an API Gateway. What Would Be Nice for You to Have Experience With: Event-driven, asynchronous, and reactive programming patterns. Secure coding and API development practices. Microservices design and More ❯