151 to 175 of 382 Permanent API Development Jobs

Python/FastAPI Backend Engineer Opportunity! Location: Fully Remote Department: Software Development Salary: Up to £80,000 + Bens Are you ready to make a significant impact in the world of clinical research? This business is on the lookout for a talented Python/FastAPI Backend Engineer to join their innovative team. This is your chance to contribute to … within a dynamic cross-functional team comprising Frontend Developers, QA Engineers, and DevOps Engineers. Your mission? To design, implement, and maintain robust microservices that facilitate clinical research. Key Responsibilities: API Development: Design and implement REST APIs using Python (3.x) and FastAPI/Pydantic. Database Management: Develop relational schema designs, ORM, and database migration scripts (PostgreSQL). Dependency Management … We're Looking For: Technical Expertise: Extensive experience in designing and implementing REST APIs using Python (3.x) and FastAPI (Pydantic schema). Testing Proficiency: Skilled in writing unit and API tests. API Integration: Experience in developing clients for consuming external REST APIs. Security Knowledge: Understanding of API and data security standards. Cloud Savvy: Working knowledge of cloud More ❯

to: • Data Management & Engineering: Develop and manage data pipelines, ETL processes, and data ingestion flows, including working with the ZIngest system, to ensure data quality, consistency, and usability. • Software Development & API Integration: Design, develop, test, and maintain software applications, APIs, and ingestion feeds, focusing on rapid implementation and meeting evolving customer needs. Use source-code control. • Systems & Infrastructure … data, perform system updates, and design, implement, and manage scalable infrastructure on multiple networks using containerization technologies (Docker, Podman). Document infrastructure administration. • Security Implementation & Compliance: Design and implement API security, manage access control (RBAC), ensure compliance with security standards (DISA/GISA), and work with cybersecurity personnel on vulnerability management. Implement Infrastructure as Code (IaC). • Customer Interaction … degree with 4 years of related experience (or 4 years of experience in lieu of degree). Requires IAT Level II certification. • Technical Expertise: Demonstrated knowledge of JavaScript frameworks, API development, Agile/DevSecOps practices, containerization (Docker, Podman, Kubernetes), Linux system administration, and scripting (Python, Groovy, Java). Experience with NiFi data flow and troubleshooting. • Data & Intelligence Experience More ❯

Description: Responsible for developing and/or engineering the end-to-end features of a system, from user experience to backend code. Use development skills to deliver innovative solutions that help our clients improve the services they provide. Leverage new technologies that can be applied to solve challenging business problems with a cloud mindset. Using Agile methodologies, modern languages … popular software architectures and frameworks, cloud technologies, and microservice-based approaches, lead the development team to build innovative, complex systems. Collaborates on the design and the environment to make sure the solution being developed considers the current architecture and operating environment, as well as future functionality and enhancements. Possesses strong experience in Python coding including API development … as Github. Strong experience in cloud architectures and engineering preferred. Duties/Responsibilities Leveraging the Scrum methodology to plan and execute tasks within the project Program Increment strategy Software development includes use of Python, Java and various shell scripting activities Use of Spark, Hadoop, HUDI technologies software architectures and frameworks Deploy Cloud infrastructure using AWS C2S available services in More ❯

About the Opportunity Our client is a leading Finance Company seeking a talented .NET Developer to join their web application development team. This is an exciting opportunity to work on both legacy system modernization and new developments as they migrate from .NET Framework 4.8 to .NET 8 MVC and expand their digital capabilities. The Role Design, develop, and maintain … to .NET 8 MVC Develop RESTful APIs and integrate with web services Work using Agile methodologies with project managers and internal teams Technical Requirements Essential Skills: 4+ years commercial development experience .NET Framework 4.8 MVC and/or .NET 8 MVC (we're migrating to .NET 8) Visual Studio (Apply online only) HTML5, CSS3, JavaScript/jQuery SQL Server … Apply online only) RESTful API development Source Control (Git/TFS) Strong understanding of MVC architecture patterns Highly Beneficial: Recent .NET 8 MVC experience (preferred for our modernization efforts) Blazor framework knowledge Azure cloud platform experience Mobile application development SSRS/Crystal Reports Experience with legacy system migration projects What We're Looking For 4+ years commercial More ❯

About the Opportunity Our client is a leading Finance Company seeking a talented .NET Developer to join their web application development team. This is an exciting opportunity to work on both legacy system modernization and new developments as they migrate from .NET Framework 4.8 to .NET 8 MVC and expand their digital capabilities. The Role Design, develop, and maintain … to .NET 8 MVC Develop RESTful APIs and integrate with web services Work using Agile methodologies with project managers and internal teams Technical Requirements Essential Skills: 4+ years commercial development experience .NET Framework 4.8 MVC and/or .NET 8 MVC (we're migrating to .NET 8) Visual Studio (Apply online only) HTML5, CSS3, JavaScript/jQuery SQL Server … Apply online only) RESTful API development Source Control (Git/TFS) Strong understanding of MVC architecture patterns Highly Beneficial: Recent .NET 8 MVC experience (preferred for our modernization efforts) Blazor framework knowledge Azure cloud platform experience Mobile application development SSRS/Crystal Reports Experience with legacy system migration projects What We're Looking For 4+ years commercial More ❯

Required Job Type: Full-Time Experience: 10+ years About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be … responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering an existing codebase to integrate new features and improvements. This role requires a strong understanding of software development principles, experience with various programming languages and frameworks, and a passion for building high-quality, scalable, and … maintainable software. Drive the development of MVPs, ensuring timely delivery and alignment with business goals. Key Responsibilities: Full-Stack Development: Contribute to both front-end and back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. More ❯

Required Job Type: Full-Time Experience: 10+ years About the Role: We are seeking a highly skilled and versatile Senior Developer to join our team and contribute to the development and maintenance of our cutting-edge Azure Databricks platform for economic data. This platform is critical for our Monetary Analysis, Forecasting, and Modelling activities. The Senior Developer will be … responsible for both front-end and back-end development, with a focus on Python, including the challenging but rewarding task of reverse engineering an existing codebase to integrate new features and improvements. This role requires a strong understanding of software development principles, experience with various programming languages and frameworks, and a passion for building high-quality, scalable, and … maintainable software. Drive the development of MVPs, ensuring timely delivery and alignment with business goals. Key Responsibilities: Full-Stack Development: Contribute to both front-end and back-end development of applications and APIs interacting with the Azure Databricks platform. Develop user interfaces using modern front-end frameworks (e.g., React, Angular, Vue.js) and ensure a seamless user experience. More ❯

About the Opportunity Our client is a leading Finance Company seeking a talented .NET Developer to join their web application development team. This is an exciting opportunity to work on both legacy system modernization and new developments as they migrate from .NET Framework 4.8 to .NET 8 MVC and expand their digital capabilities. The Role Design, develop, and maintain … to .NET 8 MVC Develop RESTful APIs and integrate with web services Work using Agile methodologies with project managers and internal teams Technical Requirements Essential Skills: 4+ years commercial development experience .NET Framework 4.8 MVC and/or .NET 8 MVC (we're migrating to .NET 8) Visual Studio 2015-2022 HTML5, CSS3, JavaScript/jQuery SQL Server … RESTful API development Source Control (Git/TFS) Strong understanding of MVC architecture patterns Highly Beneficial: Recent .NET 8 MVC experience (preferred for our modernization efforts) Blazor framework knowledge Azure cloud platform experience Mobile application development SSRS/Crystal Reports Experience with legacy system migration projects What We're Looking For 4+ years commercial development experience More ❯

approach. Overview: We’re hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create next-generation voice automation features. You’ll play a key role in building core product functionality, from … the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real-time features. Build clean automation tests (unit, functional, API). Build minimal UI components using Blazor SSR (checkboxes, graphs ..etc). Assist with deployment using Docker (containerisation) and AWS (EC2, RDS). Integrate with telephony and AI services … experience with C# (.NET Core) in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in More ❯

focused approach. Overview: Were hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create next-generation voice automation features. Youll play a key role in building core product functionality, from low … the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real-time features. Build clean automation tests (unit, functional, API). Build minimal UI components using Blazor SSR (checkboxes, graphs ..etc). Assist with deployment using Docker (containerisation) and AWS (EC2, RDS). Integrate with telephony and AI services … experience with C# (.NET Core) in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in More ❯

focused approach. Overview: Were hiring on behalf of our client for a Product Engineer (backend C# .net core) to join their growing team. The role will focus on backend development for a platform that blends telephony, voice AI, and LLMs to create next-generation voice automation features. Youll play a key role in building core product functionality, from low … the future). Write performant SQL for PostgreSQL databases; help design schemas and queries. Build and manage WebSocket connections for real-time features. Build clean automation tests (unit, functional, API). Build minimal UI components using Blazor SSR (checkboxes, graphs ..etc). Assist with deployment using Docker (containerisation) and AWS (EC2, RDS). Integrate with telephony and AI services … experience with C# (.NET Core) in Linux-based production environments. Comfortable navigating ambiguity and working with minimal supervision. Strong SQL knowledge, with experience using PostgreSQL in live systems. REST API development experience; understanding of JWT and cookie-based auth. Familiarity with Docker and AWS services, from a developer perspective. Comfortable with WebSockets. Comfortable with building lightweight frontends in More ❯

You'll create systems that enable us to do more with less - leveraging your technical expertise to build solutions that scale without proportional resource increases. Core Responsibilities Technical Integration & Development Design and implement technical integrations between Intercom and internal systems Build custom solutions that enhance support efficiency and effectiveness Develop tools and automations that streamline support workflows Create scalable … align technical solutions with strategic goals Collaborate with the wider engineering team to ensure integrations follow best practices Partner with Product teams to incorporate customer support data into product development Provide technical guidance to support team members for troubleshooting complex issues Create documentation that bridges technical complexity for non-technical team members Data & Analytics Build data pipelines that extract … all support automation systems and integrations Time-to-Resolution: Technical contribution to reducing average resolution time through automation What You'll Bring Must-Haves 3+ years of full-stack development experience Strong API development and integration expertise, including REST and GraphQL Familiarity with database design and implementation Experience building and deploying scalable web applications Understanding of RESTful More ❯

for an AI engineer to join our team of experts in artificial intelligence. As an AI Engineer within our team, you will play a key role in the design, development, and implementation of innovative projects utilizing technologies such as GPT, Azure AI services, and other advanced AI techniques. You will work closely with our interdisciplinary teams to create solutions … Responsibility Develop end-to-end AI use-cases: Quickly prototype scenarios from AI to UX for end users. Engineer prompts effectively to optimize AI performance. Contribute to the design, development, and implementation of solutions based on Azure OpenAI & other Azure services. Use your knowledge and creativity to design smart solutions that leverage data and AI tools to fulfill the … with other team members to ensure seamless solution integration into the existing environment. Participate in code reviews and knowledge-sharing sessions with other team members. Follow best practices in development, security, and performance. Technological watch: Stay updated with AI and machine learning trends, experimenting with new techniques and incorporating relevant advancements into our projects. Maintain continuous technological awareness and More ❯

autonomy and clean architecture are valued. The role combines hands-on technical contribution with the opportunity to shape processes and practices. You will: Work on a Greenfield project Lead development efforts using C#, Ruby on Rails and PHP (Symfony), with a strong focus on object-oriented programming Guide backend infrastructure work using AWS, Terraform and Helm Mentor three direct … reports and foster technical growth across your team Contribute to API development, architectural discussions and containerisation efforts (Kubernetes) Collaborate with Product Managers and other Tech Leads to align engineering efforts with business goals About you You are likely an experienced backend developer with a history of working across multiple technologies and leading high-performing teams. You will bring … Proven experience in object-oriented development, ideally with Ruby, C# or PHP (or other OO languages such as Java) A strong understanding of cloud infrastructure, especially within AWS environments Familiarity with infrastructure as code tools such as Terraform or Helm Confidence in mentoring and developing others, with a people-first approach to leadership A keen eye for clean code More ❯

autonomy and clean architecture are valued. The role combines hands-on technical contribution with the opportunity to shape processes and practices. You will: Work on a Greenfield project Lead development efforts using C#, Ruby on Rails and PHP (Symfony), with a strong focus on object-oriented programming Guide backend infrastructure work using AWS, Terraform and Helm Mentor three direct … reports and foster technical growth across your team Contribute to API development, architectural discussions and containerisation efforts (Kubernetes) Collaborate with Product Managers and other Tech Leads to align engineering efforts with business goals About you You are likely an experienced backend developer with a history of working across multiple technologies and leading high-performing teams. You will bring … Proven experience in object-oriented development, ideally with Ruby, C# or PHP (or other OO languages such as Java) A strong understanding of cloud infrastructure, especially within AWS environments Familiarity with infrastructure as code tools such as Terraform or Helm Confidence in mentoring and developing others, with a people-first approach to leadership A keen eye for clean code More ❯

Description We are seeking an experienced and dynamic Global Application Manager & Eclipse Service Platform Product Owner to lead the development, management, and optimization of our global service applications and the Eclipse Service Platform. In this role, you will be responsible for defining the application and platform vision where product is owned by WTW or work with Vendor and business … KPIs) to measure success and impact. Work closely with Business colleagues to ensure the application functions as per agreed specifications and the support is fit for purpose Application & Platform Development & Integration: Lead with respective product owners the design, development, and enhancement of the global applications to improve scalability, performance, and security. Ensure seamless integration with other systems, applications … and third-party services. Oversee API development with product owner and ensure best practices in service-oriented architecture. Team Leadership & Collaboration: Work closely with engineering, DevOps, and support teams to deliver high-quality solutions. Facilitate agile ceremonies, including backlog grooming, sprint planning, and retrospectives. Act as the primary liaison between technical teams and business stakeholders. Operational Excellence & Continuous More ❯

with Microsoft Power Platform (PowerBI, Power Automate, Microsoft Copilot). Proficiency in SQL, Python, and advanced data querying techniques. Experience in data modelling and data warehouse concepts. Familiarity with API data integration methods. Excellent analytical and problem-solving skills. Outstanding communication skills, with the ability to clearly explain technical concepts to non-technical stakeholders. Bonus Points For: Experience with … Microsoft Fabric or Azure Synapse Analytics. Strong DAX skills in PowerBI. Knowledge of accounting or financial services data structures. Experience with API development and integration. Familiarity with natural language processing techniques. Understanding of data governance principles. Experience with Agile project methodologies. More ❯

into engineering leadership or continue developing your technical expertise with a focus on architecture, the role offers a clear path in both directions. Key Responsibilities: Lead the design and development of scalable, high-performance backend systems. Establish and enforce best practices for backend development and system architecture. Provide solutions to complex technical challenges and continuously improve the product … background in multithreaded backend languages (Kotlin, Java, Go, Rust, etc.). Experience working in the HealthTech space Strong experience with PostgreSQL or similar relational databases. Proficient in system design, API development, and microservices architecture. Hands-on experience with cloud platforms (AWS, GCP), containerisation (Docker), and orchestration (Kubernetes). Experience in start-up environments is a plus, as the More ❯

we offer a dynamic environment where your expertise will help shape the future of financial technology. We're looking for a skilled and collaborative Java Developer with experienced in API's to join our growing engineering team. This role is ideal for someone who thrives in backend development, enjoys solving complex problems, and is passionate about building scalable … inclusive and welcoming environment, for everyone. Your skills and experience - Proficiency in Java (8 or above). - Strong experience with Spring Boot and Spring Framework. - Solid understanding of RESTful API design and development. - Experience with microservices architecture. - Proficient in SQL and working with relational databases. Your Security Clearance To be successfully appointed to this role you will need to … across the UK. You will be empowered to explore, innovate, and progress. You will benefit from Capgemini's 'learning for life' mindset, meaning you will have countless training and development opportunities from thinktanks to hackathons, and access to 250,000 courses with numerous external certifications from AWS, Microsoft, Harvard ManageMentor, Cybersecurity qualifications and much more. You'll be bringing More ❯

Azure DevOps Implementing designs from Figma using design tokens and shared components Frontend integration using Azure B2C or a similar OAuth IDP Unit testing Nice to have: C# .Net API development Backend app debugging via App Insights Performance testing using JMeter Writing and maintaining Azure DevOps pipeline scripts" Start Immediately Hybrid - 2-3 days onsite if in Ireland More ❯

ideally Python . Proven experience deploying and maintaining cloud infrastructure on AWS . Confident leading agile delivery teams in high-growth or startup environments. Deep understanding of system design, API development, and performance optimisation. Passion for clean code, scalable architecture, and elegant problem-solving. Strong communication skills with the ability to align technical direction with business needs. Experience More ❯

ideally Python . Proven experience deploying and maintaining cloud infrastructure on AWS . Confident leading agile delivery teams in high-growth or startup environments. Deep understanding of system design, API development, and performance optimisation. Passion for clean code, scalable architecture, and elegant problem-solving. Strong communication skills with the ability to align technical direction with business needs. Experience More ❯

new languages Typescript, React etc. Technologies PHP/Laravel JavaScript/Typescript (React/Express)- highly desirable. SQL and MongoDB. Docker Git Linux/WSL Microservices Agile (Scrum) methodology, API development Salary is up to £27K for this role. Benefits include hybrid working (after probation period), flexible working, 20 days holiday +BH, pension, cycle to work scheme, free More ❯

learning, or data mining) to deliver actionable business insights. Exceptional written and verbal communication skills, with the ability to present findings clearly to diverse audiences. Willingness to adopt software development best practices. Strong Python programming skills. Experience with Test-Driven Development (e.g., pytest or similar frameworks). Nice-to-Haves Graduate or postgraduate qualification (or equivalent experience) in … data science within financial services, insurance, or e-commerce (not essential). Familiarity with cloud-based deployment. Knowledge of neural networks, TensorFlow, CatBoost, XGBoost, SKlearn, or Pandas. Experience with API development. Proficiency in SQL. Background in software engineering or DevOps/MLOps. Understanding of CI/CD pipelines. Why Join Us? Join a forward-thinking financial services company that More ❯

learning, or data mining) to deliver actionable business insights. Exceptional written and verbal communication skills, with the ability to present findings clearly to diverse audiences. Willingness to adopt software development best practices. Strong Python programming skills. Experience with Test-Driven Development (e.g., pytest or similar frameworks). Nice-to-Haves Graduate or postgraduate qualification (or equivalent experience) in … data science within financial services, insurance, or e-commerce (not essential). Familiarity with cloud-based deployment. Knowledge of neural networks, TensorFlow, CatBoost, XGBoost, SKlearn, or Pandas. Experience with API development. Proficiency in SQL. Background in software engineering or DevOps/MLOps. Understanding of CI/CD pipelines. Why Join Us? Join a forward-thinking financial services company that More ❯