126 to 150 of 325 Permanent API Development Jobs

Senior Lead Software Engineer - Data & Analytics

Location
Glasgow, Scotland, United Kingdom
refactoring, unit test creation, documentation), while validating outputs through peer review, automated testing, and secure coding standards Applies knowledge of tools within the Software Development Life Cycle toolchain, including enterprise-authorized AI-assisted development and automation capabilities, to improve the value realized by automation Required qualifications, capabilities … sensitivity considerations, secure handling of inputs/outputs, and adherence to resiliency and security expectations Hands‐on experience using enterprise-authorized AI-assisted software development tools within the work environment (e.g., for coding, testing, troubleshooting, or documentation) with demonstrated ability to critically evaluate and validate AI-generated outputs Preferred ...

Scala Developer

Location
Sunderland, England, United Kingdom
components that meet user needs end-to-end. Write clean, secure, and well-tested code in Scala , adhering to functional programming principles and modern development standards. Operate, maintain, and scale the services you build identifying, triaging, and resolving production issues. Follow and help improve internal engineering best-practice guidelines. … Grafana. We're looking for: Strong commercial experience designing, building, and operating production software systems using Scala and the Play Framework. Confidence with modern development practices (Test-Driven Development using ScalaTest/Specs2, continuous integration/continuous deployment, and automated testing). Solid understanding of information security principles ...

Principal Software Engineer

Hiring Organisation
Raytheon
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
your peers on technical direction within your team Requirements/knowledge (you don't need everything) JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL … strategies, pull requests and merge processes We appreciate you may not be an expert in every area above - we can support with training and development in some areas! Please do make an application and we will identify where we can best support your growth specific to your application. Benefits ...

Software Engineer (Full Stack)

Hiring Organisation
The Digital Bench Ltd
Location
Australia
Employment Type
Permanent
Salary
£70000 - £95000/annum
Full Stack Software Engineer to develop modern web applications and scalable backend systems supporting digital transformation projects across Australia. You will join a collaborative development team delivering innovative technology solutions. Key Responsibilities Design and develop web applications Build REST APIs and backend services Write clean, maintainable code Collaborate with … designers and product teams Participate in code reviews and testing Required Skills JavaScript, React or Angular Backend experience (Node.js, Python, Java or .NET) API development experience Version control (Git) Understanding of software development lifecycle Desirable Experience with microservices Cloud platform experience DevOps exposure Eligibility Requirement Applicants must ...

Junior Software Engineer (Data Products)

Location
Greater London, England, United Kingdom
/Sub, BigQuery, Cloud Storage Cross-functional Collaboration: Partnering with BI, infrastructure, and product teams to understand data requirements and deliver technical solutions. API Development: Helping build and document APIs that deliver a seamless data experience for internal and external stakeholders. Database Operations: Working with SQL and NoSQL …/CD concepts. Problem-Solving Mindset: A proactive approach to debugging and a genuine curiosity about how data flows through a system. API Awareness: Basic understanding of REST APIs and how microservices communicate. Educational Background: A degree in Computer Science, Software Engineering, or a related field (or equivalent practical ...

Software Engineer

Location
Bristol, England, United Kingdom
testing tools (e.g. Jest, Playwright). Experience integrating and onboarding 3rd‐party vendors, defining patterns and abstracting APIs. Understanding of microservices and RESTful API development (structuring, documentation, versioning, testing, stubbing/mocking). Experience performing code reviews and operating within an Agile framework. Pro‐active DevOps culture ...

Principal Software Engineer

Hiring Organisation
Hackajob Ltd
Location
Gloucester, Gloucestershire, South West, United Kingdom
Employment Type
Permanent, Work From Home
within your team Desired Skills and Experience: Core Software Engineering across a variety of languages, e.g. JavaScript frameworks (React, NextJS), TypeScript, Python, Java REST API development OpenAPI/Swagger Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Relational Databases (e.g. PostgreSQL ...

Full Stack Developer

Location
Manchester, England, United Kingdom
connecting applications to it. Build and maintain Power BI reports, collaborating with business colleagues to understand reporting requirements and investigate issues. Work constructively with development partners through delivery and handover, identify maintainability concerns, flag material gaps against agreed business requirements, and maintain documentation for ongoing development and application … responsibility for improvements after delivery. Practical experience building and maintaining React and TypeScript applications, with a sound understanding of HTML and CSS. Strong backend development experience, including designing, building, and troubleshooting custom APIs and system integrations. Some practical experience building and maintaining Power BI reports. Confidence in understanding unfamiliar ...

Lead Agentic AI Automation Engineer - UiPath

Hiring Organisation
Pinnacle Technical Resources
Location
Charlotte, North Carolina, United States
Employment Type
Permanent
Salary
USD 70 Hourly
including intangibles and unprecedented scenarios. This position offers an exciting opportunity to work on advanced technologies, including Generative AI applications, and contribute to the development of innovative, enterprise-grade AI products that will shape the future of financial services. Responsibilities: Lead moderately complex initiatives and deliverables within technical engineering … standards. Troubleshoot complex application and model-related issues and contribute to the continuous improvement of AI systems. Assist and mentor engineers in advanced software development and AI engineering practices. Stay informed of advancements in AI, LLMs, and agent frameworks and apply relevant updates to products and systems. Qualifications: 4+ ...

Python Engineer / Data Modeller

Location
Glasgow, Scotland, United Kingdom
Python Developer to join their data governance function, sitting within a technology risk and controls team. We are looking for candidates with strong Python development experience, alongside hands-on Collibra metadata management expertise. Experience in data modelling, governance, APIs, SQL and financial services would be particularly relevant. You will … attributes, domains and workflows. Develop high-quality Python solutions for data modelling and governance use cases, using Pydantic for schema definition, validation, serialisation and API-ready data structures. Build reusable Python libraries and automation patterns supporting data ingestion, governance workflows, data quality, lineage and reporting at enterprise scale. Design ...

Backend Software Engineer - Application Development

Hiring Organisation
Palantir Technologies
Location
London, UK
Employment Type
Full-time
system that enables a novel workflow, the next you could be fine-tuning performance to enable low-latency operational outcomes. Our Product Development organisation is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively to build cross … witnessing how customers engage with Foundry and experiencing these pain points firsthand, you'll gain unique insights that feed directly back into our development process, helping to refine and enhance our products. Core ResponsiblitiesArchitecting, developing, and maintaining high-performance, scalable backend services that underpin our our operational data ...

Backend Software Engineer - Application Development

Location
Greater London, England, United Kingdom
system that enables a novel workflow, the next you could be fine-tuning performance to enable low-latency operational outcomes. Our Product Development organisation is made up of small teams of Software Engineers. Each team focuses on a specific aspect of a product and work collaboratively to build cross … witnessing how customers engage with Foundry and experiencing these pain points firsthand, you’ll gain unique insights that feed directly back into our development process, helping to refine and enhance our products. Core Responsibilities Architecting, developing, and maintaining high-performance, scalable backend services that underpin our operational data ...

Software Engineer

Location
Greater London, England, United Kingdom
between tactical edge sensors in low-bandwidth environments and strategic HQs running enterprise analytics. Python Engineering: High proficiency in Python for microservices, API development (FastAPI/Flask), data processing, and backend service development. Docker & Container Orchestration: Deep knowledge of containerisation using Docker, multi-stage builds, minimal base images … code adhering to MoD cyber security standards, automated testing, and building pipelines that package software into deployable Docker artifacts. The Experience You'll Bring Development & Tech: Python, Microservices, REST APIs, FastAPI, Flask, Asynchronous Programming, Object-Oriented Programming (OOP), Test-Driven Development (TDD). DevOps & Deployment: Docker, Docker Compose ...

Senior Java Developer - Hybrid

Hiring Organisation
Genesis10
Location
Columbus, Ohio, United States
Employment Type
Permanent
Salary
USD Hourly
based on qualifications Position Overview: This role will support a large Card Servicing team within Enterprise Payments. The focus will be on backend development supporting card servicing applications and processor integrations. Key Responsibilities: Perform backend Java development for enterprise payment systems Develop and maintain REST APIs Support card … servicing applications and processor integrations Participate in an Agile/Scrum environment Primary Requirements: Strong backend Java development experience Spring Boot REST API development Enterprise application integration experience Experience working with backend processors Agile/Scrum experience Desired Skills: Credit card or debit card domain experience Payments ...

Senior Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Fully remote within the UK 12 month fixed term contract with strong possibility for extension 33 days' annual leave Pension and private healthcare Professional development and a clear route to progression A supportive, mission-driven team Work that makes a visible difference to people's lives What … What you'll bring Extensive commercial experience with C#, .NET and SQL Strong Azure experience, including cloud adoption frameworks A proven track record in API development and modern system architecture Hands-on experience with CI/CD pipelines, version control, automated testing and code reviews A calm, practical ...

Senior Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Fully remote within the UK 12 month fixed term contract with strong possibility for extension 33 days' annual leave Pension and private healthcare Professional development and a clear route to progression A supportive, mission-driven team Work that makes a visible difference to people's lives What … What you'll bring Extensive commercial experience with C#, .NET and SQL Strong Azure experience, including cloud adoption frameworks A proven track record in API development and modern system architecture Hands-on experience with CI/CD pipelines, version control, automated testing and code reviews A calm, practical ...

Senior Software Engineer

Hiring Organisation
Bright Purple Resourcing
Location
Poole, Dorset, South West, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Fully remote within the UK 12 month fixed term contract with strong possibility for extension 33 days' annual leave Pension and private healthcare Professional development and a clear route to progression A supportive, mission-driven team Work that makes a visible difference to people's lives What … What you'll bring Extensive commercial experience with C#, .NET and SQL Strong Azure experience, including cloud adoption frameworks A proven track record in API development and modern system architecture Hands-on experience with CI/CD pipelines, version control, automated testing and code reviews A calm, practical ...

Junior Software Engineer (Data Products)

Hiring Organisation
Yapily
Location
London, United Kingdom
Salary
£ 70 K
/Sub, BigQuery, Cloud Storage Cross-functional Collaboration: Partnering with BI, infrastructure, and productteams to understand data requirements and deliver technical solutions. API Development: Helping build and document APIs that deliver a seamless dataexperience for internal and external stakeholders. Database Operations: Working with SQL and NoSQL databases, helping … understanding of CI/CD concepts. Problem-Solving Mindset: A proactive approach to debugging and a genuinecuriosity about how data flows through a system. API Awareness: Basic understanding of REST APIs and how microservicescommunicate. Educational Background: A degree in Computer Science, Software Engineering, ora related field (or equivalent practical ...

Core AI Engineer

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
embrace diversity and actively seek to attract individuals with unique backgrounds and perspectives. We break down barriers and encourage teamwork, enabling innovation and rapid development of solutions that make a difference. Our workplace generates an enriching and rewarding experience for our people and customers alike. Our vision … operational workflows, accelerate engineering productivity and enhance customer outcomes. As a Core AI Engineer, you will play a leading technical role in the design, development and deployment of AI solutions across the organisation. You will combine software engineering, machine learning and AI platform expertise to turn innovative concepts into ...

Senior AI Engineer, Agentic Systems

Location
City of Westminster, England, United Kingdom
with Research, Product, and Engineering to rapidly prototype, test, and refine new capabilities through short feedback loops. Take solutions from prototype to production, including API development, CI/CD pipelines using GitHub Actions, and Kubernetes deployments across multiple environments using core AWS services such … Platform & Systems Self‐Sufficiency This is you if you're comfortable owning infrastructure end-to-end — deploying a database, designing a schema, shipping an API — without a dedicated platform or DevOps team. Experience designing APIs and deploying containerized services using Docker and Kubernetes. Bonus: Experience with graph‐aware retrieval ...

Senior Data Scientist, Agentic Systems

Location
Greater London, England, United Kingdom
with Research, Product, and Engineering to rapidly prototype, test, and refine new capabilities through short feedback loops. Take solutions from prototype to production, including API development, CI/CD pipelines using GitHub Actions, and Kubernetes deployments across multiple environments using core AWS services such … Platform & Systems Self‐Sufficiency This is you if you're comfortable owning infrastructure end-to-end — deploying a database, designing a schema, shipping an API — without a dedicated platform or DevOps team. Experience designing APIs and deploying containerized services using Docker and Kubernetes. Bonus: Experience with graph-aware retrieval ...

Senior Software Developer

Location
Bridgend, Wales, United Kingdom
Purpose** This role demands deep expertise in Microsoft Dynamics 365, Azure Cloud, and Microsoft Power Platform, paired with strong skills in web technologies, API development, and systems design. You will lead the customization and optimization of our Dynamics 365 CRM, mentor team members, and collaborate with technical leadership … Responsibilities** Relying on extensive experience and judgment, this role offers substantial latitude for decision-making with minimal oversight, including:**Microsoft Dynamics 365 CRM Development*** Customize and optimize Microsoft Dynamics 365 CRM to align with business requirements.* Integrate client APIs into Dynamics 365 using Azure Cloud services and Microsoft Power ...

Senior Data Platform Engineer (Python & Databricks)

Location
City of Edinburgh, Scotland, United Kingdom
About Codelitt At Codelitt, we are more than a product-development company. We are creators, innovators, and problem solvers. We partner with companies around the world to design and build meaningful digital products, modernize complex systems, and solve challenging technical problems. Our globally distributed team values technical excellence, ownership … platform. We process our payment in US dollars, however you can receive it in your local currency. What You’ll Do Data Platform Development Build and maintain components of a large-scale financial data platform. Develop reliable data pipelines for ingesting, transforming, and delivering financial data. Design data models ...

Senior Manager of Software Engineering

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
mentoring, and cross-team coordination. Job responsibilities* Builds and sustains a high performance engineering team through structured hiring, onboarding, regular one-to-ones, performance development, and active coaching of engineers at all levels* Creates an environment where engineers are empowered to do their best work, with clear goals, rapid … agile environment* Formal cloud training or certification on software engineering concepts and applied experience* Hands-on practical experience delivering system design, application development, testing, operational stability, scalability* Advanced in one or more programming language(s) such as go, java, python, terraform* Proficiency in automation and continuous delivery methods* Proficient ...

FullStack ASP.NET Developer - Insuretech

Hiring Organisation
Quant Capital
Location
London, UK
Employment Type
Full-time
Tech: JavaScript, ASP.NET MVC 5, Entity Framework Code First, Restful API, Angular, SQL, Azure Challenge: Greenfield platform, API development, industry specific challenges Firm: Well-known Insuretech business, City of London, 5 man flat Dev Team Pay: 75k, Bonus- 750 training budget, Pension, Life/Health, Some Flex … individualised, algorithmic financial products, bringing together investment banks, insurance companies, asset managers and commercial banks. You will be responsible for the design, planning and development of front-end solutions, based on industry requirements and resulting from cooperation with the team and our customers You will need to establish testing ...