76 to 100 of 153 Permanent API Design Jobs

and mobile platforms Integrate with PC and mobile apps that sync with the client's hardware devices Drive DevOps best practices across CI/CD pipelines, monitoring, and deployment Design and maintain a cybersecurity-first architecture, including penetration testing Optimise an Azure-based infrastructure for high availability and cost efficiency Collaborate with cross-functional teams to deliver impactful new … features Shape the design of future products, including AI and data modelling initiatives Tech Stack Web: ASP.NET Core, C#, JavaScript, HTML/CSS PC: C#, XAML, USB-MTP Mobile: Cordova (iOS & Android) Cloud: Microsoft Azure, CI/CD pipelines, version control, automated testing Security: Secure coding, authentication, penetration testing Hardware: Industry-leading devices, digitally integrated What They are Looking … who thrives in collaboration and is excited about building systems with real-world impact. Key Skills: Strong experience with C#, ASP.NET Core, JavaScript, HTML/CSS Expertise in RESTful API design and integration An eye for UX/UI design and brand-consistent interfaces Knowledge of DevOps practices (CI/CD, version control, automation) Hands-on experience More ❯

performant, and user-friendly features. This is a unique opportunity to shape the future of our platform and bring complex automation capabilities to life by collaborating closely with product, design, and AI engineering. Responsibilities Design, build, and maintain core application features in Next.js. Develop robust APIs and server components. Work on Supabase (PostgreSQL) data models, queries, and role … 5+ years of professional experience in full-stack development. Strong expertise in React and Next.js. Proficiency in TypeScript. Solid experience with SQL databases (PostgreSQL, Supabase) and ORMs. Knowledge of API design and modern state management (TanStack Query or similar). Understanding of authentication/authorization flows. Familiarity with automated testing and debugging complex workflows. The following is a More ❯

Description Position: Software Architect - Expert Location: Northern VA Clearance: TS/SCI Overall Assignment Description: Expert-level Software Architects lead the design and development of software solutions for complex applications problems, API design, data services, platform services, cloud services and infrastructure services to meet user requirements and align to strategic goals and the Enterprise Architecture. The Expert … Level Software Architect is a software expert who makes high-level design choices and recommends technical standards, including software coding standards, tools, and platforms. The Expert-level Software Architect provides technical and software engineering support towards a model-based systems engineering approach to IT requirements engineering and architecture development, targeted at the Enterprise, Segment, and Solution Engineering levels. This … analyzing current trends in technology, recommending ways to integrate latest digital technologies and leverage common services to streamline internal operations, and analyzing and implementing applications for infrastructure issues. Develop design artifacts that describe the structure, characteristics, behavior, workflow and other aspects of the solution to project stakeholders. Investigate and integrate new solutions using customer software, commercial software and open More ❯

the process from a candidate placement to onboarded contractor. This will then be extended to provide functionality to manage active placements, such as timesheets and expenses. This role will design, develop, test and support capabilities in our digital experience platform to create competitive advantage for SThree, as part of a small software development team. About us SThree is the … markets: Recruiting highly skilled professionals and discovering life-changing jobs for the unsung heroes who will positively shape our future. What are the day-to-day tasks? Hands-on design, development and testing of solutions, adhering to SThree's architectural principles, policies, and guidelines. Work with business stakeholders to understand opportunities and to design solutions that deliver the … required outcomes. Work with other technology teams to design and deliver end-to-end capabilities. Integrate solutions with other systems in SThree's technology landscape, for example CRM and ERP systems. Provide support to users and resolve systems issues. Configure CICD pipelines to support continuous delivery. Maintain infrastructure-as-code to build environments and applications. Focus on automation across More ❯

someone with a solid understanding of backend architecture and a passion for clean, maintainable code. Key Responsibilities: Develop and maintain backend services using C#, ASP.NET Core, and .NET Framework Design and implement RESTful APIs and microservices Optimise application performance and scalability Collaborate with DevOps and infrastructure teams to support deployment and monitoring Work with SQL Server and other data … storage technologies Ensure code quality through unit testing and adherence to best practices Skills and Experience Required: Proven experience in backend development with the .NET ecosystem Strong understanding of API design, integration, and security Experience with cloud platforms (Azure preferred) Familiarity with CI/CD pipelines and containerisation (e.g., Docker) Excellent problem-solving skills and attention to detail More ❯

someone with a solid understanding of backend architecture and a passion for clean, maintainable code. Key Responsibilities: Develop and maintain backend services using C#, ASP.NET Core, and .NET Framework Design and implement RESTful APIs and microservices Optimise application performance and scalability Collaborate with DevOps and infrastructure teams to support deployment and monitoring Work with SQL Server and other data … storage technologies Ensure code quality through unit testing and adherence to best practices Skills and Experience Required: Proven experience in backend development with the .NET ecosystem Strong understanding of API design, integration, and security Experience with cloud platforms (Azure preferred) Familiarity with CI/CD pipelines and containerisation (e.g., Docker) Excellent problem-solving skills and attention to detail More ❯

on engineer who enjoys leading by example , thrives in agile environments , and is passionate about shaping engineering best practice while still contributing to the codebase. Key Responsibilities Lead the design, development, and testing of secure, scalable systems using Python or Java with modern front-end frameworks (e.g., React) Architect and maintain APIs, data pipelines, and cloud-native solutions (AWS … Python or Java , with strong full-stack engineering skills Proven experience leading teams or projects at a senior/principal level Strong knowledge of system architecture , cloud solutions, and API design Familiarity with DevOps tools and automation (CI/CD, containers, IaC) Track record of delivering secure, production-grade systems in agile teams Excellent stakeholder engagement, influencing, and More ❯

on engineer who enjoys leading by example , thrives in agile environments , and is passionate about shaping engineering best practice while still contributing to the codebase. Key Responsibilities Lead the design, development, and testing of secure, scalable systems using Python or Java with modern front-end frameworks (e.g., React) Architect and maintain APIs, data pipelines, and cloud-native solutions (AWS … Python or Java , with strong full-stack engineering skills Proven experience leading teams or projects at a senior/principal level Strong knowledge of system architecture , cloud solutions, and API design Familiarity with DevOps tools and automation (CI/CD, containers, IaC) Track record of delivering secure, production-grade systems in agile teams Excellent stakeholder engagement, influencing, and More ❯

.NET Core/C# and modern web frameworks like Angular/TypeScript Hands-on experience with LLM APIs (OpenAI, Claude, Bedrock), LangChain, or RAG-based architectures Deep familiarity with API design, microservices, and cloud-first development (AWS, Azure, or GCP) Experience building systems with MongoDB, SQL, or vector databases like Pinecone or MongoDB Atlas Vector Search Solid engineering More ❯

systems engineering, or DevOps roles. Proficiency in one or more programming/scripting languages (e.g., Python, Go, Java, Bash). Strong understanding of distributed systems, microservices architecture, and RESTful API design. Hands-on experience with Kubernetes and container orchestration. Familiarity with monitoring, alerting, and logging tools (e.g., Prometheus, Grafana, ELK stack, or Datadog). Experience with Elastic will be More ❯

production-ready code Ensure system robustness, resilience, and stability Develop and maintain a fit-for-purpose automated test suite Produce comprehensive technical documentation for wider consumption Contribute to the design of larger systems as part of a team Collaborate across teams, working with Lead Engineers and Technical Architects to explore technical solutions Review specifications with colleagues and apply agreed … standards and tools to design, code, test, correct and document programmes of medium to high complexity As a Java Developer you will have the following experience: Strong knowledge of software engineering best practices Hands-on experience with functional and non-functional testing Skilled in developing and maintaining automated test suites Experience with Java (11/17/21) and … the Spring Boot framework Knowledge of microservice architecture and API design principles Understanding of TDD and BDD principles Experience with CI/CD pipelines (GitLab CI desirable) Familiarity with Docker and containerisation (Kubernetes/EKS desirable) Ability to work in Agile delivery environments Knowledge of Kafka SC Security Clearance - Active More ❯

production-ready code Ensure system robustness, resilience, and stability Develop and maintain a fit-for-purpose automated test suite Produce comprehensive technical documentation for wider consumption Contribute to the design of larger systems as part of a team Collaborate across teams, working with Lead Engineers and Technical Architects to explore technical solutions Review specifications with colleagues and apply agreed … standards and tools to design, code, test, correct and document programmes of medium to high complexity As a Java Developer you will have the following experience: Strong knowledge of software engineering best practices Hands-on experience with functional and non-functional testing Skilled in developing and maintaining automated test suites Experience with Java (11/17/21) and … the Spring Boot framework Knowledge of microservice architecture and API design principles Understanding of TDD and BDD principles Experience with CI/CD pipelines (GitLab CI desirable) Familiarity with Docker and containerisation (Kubernetes/EKS desirable) Ability to work in Agile delivery environments Knowledge of Kafka SC Security Clearance - Active More ❯

production-ready code Ensure system robustness, resilience, and stability Develop and maintain a fit-for-purpose automated test suite Produce comprehensive technical documentation for wider consumption Contribute to the design of larger systems as part of a team Collaborate across teams, working with Lead Engineers and Technical Architects to explore technical solutions Review specifications with colleagues and apply agreed … standards and tools to design, code, test, correct and document programmes of medium to high complexity As a Java Developer you will have the following experience: Strong knowledge of software engineering best practices Hands-on experience with functional and non-functional testing Skilled in developing and maintaining automated test suites Experience with Java (11/17/21) and … the Spring Boot framework Knowledge of microservice architecture and API design principles Understanding of TDD and BDD principles Experience with CI/CD pipelines (GitLab CI desirable) Familiarity with Docker and containerisation (Kubernetes/EKS desirable) Ability to work in Agile delivery environments Knowledge of Kafka SC Security Clearance - Active More ❯

.NET) CSS compiler knowledge (E.g., Sass, LESS) Familiarity with UI/UX mockup tools and processes (Adobe) Senior-level knowledge of front-end best practices like mobile-first responsive design, accessibility, performance, and separation of concerns Professional software engineering skills (refactoring, API design, version control systems) Ability to work in an Agile environment Knowledge of project/… process. Be able to effectively communicate your work with both technical and non-technical peers Build solid back-end architectures that integrate easily with other systems and technologies Understand design patterns and write reusable, modular code Working closely with other disciplines (back-end, big data, UX) Have a superior attention to detail and a strong ability to Q/ More ❯

the Software Engineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation or software design initiatives. Key Responsibilities: Develop new features with a strong focus on high-quality code. Conduct peer code reviews to ensure quality and adherence to best practices. Participate in daily … organization's objectives. Work closely with tech leads, engineers, testers, and other personnel to deliver high-quality products. Take ownership of initiatives related to innovation or addressing technical debt. Design, document, and communicate system solutions with a balanced focus on time, quality, cost, and performance. Collaborate with colleagues across the organization to gain buy-in and feedback on proposals … Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD More ❯

the Software Engineering group. In addition to contributing to feature development, you will play a role in shaping the technology and process strategies, and occasionally lead innovation or software design initiatives. Key Responsibilities: Develop new features with a strong focus on high-quality code. Conduct peer code reviews to ensure quality and adherence to best practices. Participate in daily … organization's objectives. Work closely with tech leads, engineers, testers, and other personnel to deliver high-quality products. Take ownership of initiatives related to innovation or addressing technical debt. Design, document, and communicate system solutions with a balanced focus on time, quality, cost, and performance. Collaborate with colleagues across the organization to gain buy-in and feedback on proposals … Required Knowledge & Experience: Essential: Strong proficiency in C# at a commercial level. Solid experience with .NET Core and related open-source technologies. Knowledge of Object Orientation, SOA, and relevant design patterns. Experience with modern software development practices, including agile methodologies , version control, code reviews, and continuous integration. Understanding of concurrency, asynchrony, and parallelism. Experience with Test Driven Development (TDD More ❯

Integration Engineer , you'll work across data pipelines, APIs, and backend services to ensure data flows securely and seamlessly between systems. You'll collaborate with cross-functional teams to design and deliver scalable integration solutions that support critical mission capabilities. Key Responsibilities Design, develop, and maintain integrations between internal systems and third-party platforms using APIs and secure … integration architecture and practices. Key Skills & Experience Experience with workflow orchestration tools (e.g., Apache Airflow). Proven backend development skills using Node.js, Python, Java, or similar. Strong understanding of API design and integration techniques (REST, Webhooks, GraphQL). Familiarity with authentication protocols (OAuth2, JWT). Experience with ETL/ELT frameworks and data pipeline tools. Solid understanding of More ❯

lead and support a talented team, helping them grow, managing resources, and encouraging a collaborative Agile way of working. As the go-to expert for integration, youll oversee the design and delivery of cloud-native solutions using AWS, guiding projects from start to finish while promoting best practices. Youll also work closely with IT, business teams, and external partners … to create seamless integration solutions that keep StepChange flexible, efficient, and ready for the future. About you You have proven expertise in system integration, API design, and AWS cloud-native technologies like Lambda, API Gateway, and Step Functions. You understand RESTful APIs, asynchronous messaging, microservices, and security models such as OAuth and encryption. Youve led integration teams More ❯

budget Keeping up-to-date with new Salesforce features and best practices Required technical and professional expertise Solid experience of: Integration concepts & technologies. MuleSoft Anypoint Platform & components (Mule ESB API Manager CloudHub etc.) Java programming & experience with other programming languages such as XML JSON SQL Cloud-based integration platforms such as Amazon Web Services (AWS) or Microsoft Azure. Knowledge … of RESTful web services SOAP & other integration protocols Familiarity with API design & development best practices Strong problem-solving skills & ability to troubleshoot integration issues. Good communication & teamwork skills Strong understanding of Agile development methodologies & experience working in an Agile environment As an equal opportunities' employer, we welcome applications from individuals of all backgrounds. However, for you to be More ❯

Python scripts for geocoding workflows using ArcPy and integrate with SQL Server databases and Esri geodatabases Build front-end tools and map interfaces using JavaScript (Esri ArcGIS Maps SDK Design and optimize SQL Server databases for spatial and non-spatial data. Create RESTful APIs or tools using .NET for data integration and automation. Perform spatial analysis and handle geospatial … ArcGIS Maps SDK -Ability to integrate published geocoding/geoprocessing services into Python scripts, interactive web applications, other tools 3. SQL Server Proficiency -Experience with SQL Server, including database design, queries, and optimization. -Knowledge of T-SQL for writing complex queries, stored procedures, and triggers. -Skills in connecting Python/ArcPy scripts and JavaScript apps to SQL Server databases. … ASP.NET, Flask, and Django. -Familiarity with middleware, routing, and web handler concepts. -Database Integration -Knowledge of connecting web handlers to relational databases (SQL Server) and retrieving/managing data. -API Design and Implementation -Experience in creating RESTful APIs and processing API calls with web handlers. 5. General Software Development Skills -Version Control - Experience with Git for source More ❯

This is a leadership role blending deep technical expertise with product-minded delivery in regulated environments (moving towards Software as a Medical Device – SaMD). You will oversee the design, architecture, and delivery of a highly scalable, secure, and compliant cloud-native platform that empowers researchers, clinicians, and bioinformaticians. You’ll influence product direction, engineering culture, and regulatory readiness. … CI/CD, observability) Expertise in modern stacks (Python, TypeScript/Node.js, React) and major clouds (AWS, GCP, Azure, Oracle) Knowledge of security and privacy frameworks: RBAC, encryption, secure API design, identity/auth protocols (OAuth2, OpenID) Track record delivering in regulated or healthcare-adjacent domains Desirable: Experience with genomic data, bioinformatics tools, or medical device software Familiarity More ❯

This is a leadership role blending deep technical expertise with product-minded delivery in regulated environments (moving towards Software as a Medical Device – SaMD). You will oversee the design, architecture, and delivery of a highly scalable, secure, and compliant cloud-native platform that empowers researchers, clinicians, and bioinformaticians. You’ll influence product direction, engineering culture, and regulatory readiness. … CI/CD, observability) Expertise in modern stacks (Python, TypeScript/Node.js, React) and major clouds (AWS, GCP, Azure, Oracle) Knowledge of security and privacy frameworks: RBAC, encryption, secure API design, identity/auth protocols (OAuth2, OpenID) Track record delivering in regulated or healthcare-adjacent domains Desirable: Experience with genomic data, bioinformatics tools, or medical device software Familiarity More ❯

years' experience with .NET and C# Proven track record delivering mobile solutions across multiple platforms Strong knowledge of React Native, Xamarin, Blazor and Objective-C Solid understanding of REST API design and development Experience building accessible, mobile-first UIs and UXs Familiarity with cloud platforms (AWS preferred) Strong problem-solving skills and mentoring ability This is a fantastic 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 … 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 Experience with Docker Experience with Django or Flask Experience with ReST endpoint Development Optional Skills and Experience: Experience with AWS or other cloud infrastructure Agile development JSON and XML Serialization Git Version Control Need 6 years of experience More ❯

they're trusted with high-impact, mid-market projects with real business needs and quick delivery cycles. This is a client-facing, hands-on engineering role where you'll design and deliver solutions directly with clients. It's a mix of consulting and coding, ideal for engineers who want to see their work make an immediate impact. What You … ll Do Work closely with clients to solve their toughest challenges using Palantir Foundry and modern AI/data tools. Design and deploy scalable data pipelines, workflows, and applications. Model complex datasets and create APIs that deliver real business value. Collaborate with technical and non-technical stakeholders, shaping strategy as well as delivery. Own projects end-to-end in … scale data platforms such as: Snowflake, Databricks, AWS Glue/Redshift, Google BigQuery Software engineering skills in Python, Java, or TypeScript/React. Strong data modelling, pipeline development, and API design experience. Excellent problem-solving and communication skills. Why This Role Stands Out Impactful work at the intersection of AI, data, and business transformation. Autonomy and visibility in More ❯