1 to 25 of 189 API Development Jobs

Role: Development Manager - Digital & API Salary: Up to £100,000 per year + Bonus Location: Surrey Working Pattern: Hybrid - 2 days per week onsite (5 days per week during the first month) We're working with a well-established organisation embarking on a company-wide digital transformation programme … investing heavily in modern technology, API development and engineering capability. This is an excellent opportunity for an experienced Development Manager to lead Digital & API engineering teams through a significant period of change. You'll play a key role in driving modern engineering practices, supporting Agile delivery ...

Tech: ASP.NET MVC 5, Restful API, Angular, SQL, Azure Challenge: Greenfield Trading platform, API development, industry specific challenges Firm: Well-known fintech50 business, 10 man flat Dev Team Pay: 75k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingLead ASP.NET MVC Developer FintechQuant is urgently … looking for a Lead ASP.NET MVC Developer to join our high profile client.Current challenges include cloud migration, greenfield trading platform development, and bank based API creation.Our client is well known in the WRAP and SIPP market as a full service provider.The environment is that of Facebook or Google ...

technology stack and wants exposure to enterprise-scale systems used by clients across multiple international markets. You will be involved in the full software development lifecycle, contributing to the development, maintenance, enhancement, and support of business-critical applications. The Role You will work closely with senior developers, technical … business stakeholders to deliver robust software solutions across a range of internal and client-facing platforms. The role offers a strong mix of: Backend development API development Database work Application support Technical improvements Collaboration across the wider business This is a hands-on development role suited ...

London, UK Inside IR35 Hybrid to office What you'll do :We are looking for an experienced developer with a strong background in RESTful API design, contract-based development, and architecture modeling, who can deeply understand and analyze the functionalities of our existing applications to effectively design … implement APIs. The ideal candidate will be adept at making strategic decisions about what functionalities to expose through the API, determining the best methods for this exposure, and ensuring that the API design aligns with both the application's needs and the end users' requirements. This role involves ...

technical leadership for the design, build, productionisation and ongoing operation of secure Django-based applications and supporting infrastructure. The role will establish the development processes, coding standards, API standards, security approach, RBAC model and application architecture needed for repeatable delivery. The developer will bring extensive experience in productionising … securing Django applications, embedding automated testing, CI/CD and agile development practices, and creating documentation to support Technical Design Authority (TDA), security assurance and operational handover. Responsibilities: · Lead the architecture, development and deployment of secure Django applications and associated infrastructure in Azure. · Define and embed Django development ...

Tech: C# .Net, ASP.NET, WPF, MySQL Challenge: Greenfield High Data Throughput platform, API development, industry specific challenges Firm: Well-known fintech50 business, City of London, 10 man flat Dev Team Pay: 80k, Bonus- training budget, Pension, Life/Health, Some Flex Working Development Team Lead Fintech Quant … Lead Developer will• Manage the Dev. team including recruitment • Build and deliver business requirements • Collaborate with Product Owner on defining development requirements and schedule • Become enlightened on the system architectureThe environment is that of Facebook or Google, relaxed open with time to think and make the right decisions. ...

About the OpportunityWe are looking for an Engineering Manager to lead a high-performing, remote-first API development team based in Europe who are driving Contentful’s REST and GraphQL APIs that enable customers to manage and deliver content at scale. The role will focus on continuously evolving … driven capabilities. We aim to help customers accelerate innovation, reduce operational complexity, and unlock new growth opportunities through a secure, performant, and extensible API ecosystem.You’ll partner closely with cross-functional teams to ensure alignment between technical goals and business objectives, driving scalable, high-performance APIs that power Contentful ...

though also like the idea of the equally important social/client-facing aspect of the role. The role is responsible for defining the development architecture across a blend of in-house bespoke solutions and 3rdparty products and helping to shape the longer-term strategic development architecture … developing architecture strategy and target architecture model. You will be working closely with delivery team members to coach and promote best-practice solution development architecture as well as supporting business analysts and product owners in planning and story-mapping for new development. You will act as technical design authority ...

Role: Development Manager - Digital & API Salary: Up to £100,000 per year + Bonus Location: Surrey Working Pattern: Hybrid - 2 days per week onsite (5 days per week during the first month) We're working with a well-established organisation embarking on a company-wide digital transformation programme … investing heavily in modern technology, API development and engineering capability click apply for full job details ...

that underpin our critical banking services.MAIN PURPOSE OF THE ROLE This is a hands‐on engineering role at the intersection of cloud platforms, software development, and AI enablement. You will design, develop, and support bespoke cloud and AI solutions across Azure, Oracle Cloud, and later AWS, applying strong engineering …/models, and applying AI services to real-world use cases.Strong knowledge of IAM, security patterns, governance, and compliance requirements.Preferred ExperienceExperience with Azure API Management or similar API gateways.Exposure to AI governance, model lifecycle controls, or responsible AI implementation in regulated environments.Knowledge of Foundry, vectorisation patterns ...

recruit a Senior Solutions Architect to be based at the Company's Central London Offices. You will extensive and deep Expertise in following Application Development areas: " Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc. … Deep knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), Kafka " Solution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc. " Application dev experience with at least ...

Software Engineer, you will play a key role in designing, developing and enhancing business-critical applications and services.Working across backend and full-stack development, you'll help deliver secure, scalable solutions while collaborating with a talented team focused on solving complex technical challenges.What You'll Be Doing* Designing … solution design and technical architecture decisions* Developing and extending internal tools and platforms* Collaborating with engineering teams across software, networking and infrastructureAbout YouBackend Development* Commercial experience developing applications in Go (Golang)* Strong REST API development experience* PostgreSQL database experience* Knowledge of ORM frameworks, ideally GORM* Understanding ...

Software Engineer, you will play a key role in designing, developing and enhancing business-critical applications and services. Working across backend and full-stack development, you'll help deliver secure, scalable solutions while collaborating with a talented team focused on solving complex technical challenges. What You'll Be Doing … design and technical architecture decisions * Developing and extending internal tools and platforms * Collaborating with engineering teams across software, networking and infrastructure About You Backend Development * Commercial experience developing applications in Go (Golang) * Strong REST API development experience * PostgreSQL database experience * Knowledge of ORM frameworks, ideally GORM * Understanding ...

backend SQL databases, and integrate modern AWS technologies while building mission-critical software solutions. In this role, you'll work across the full software development lifecycle (SDLC), using modern web development technologies and programming languages to build robust client-side and server-side applications. You'll design seamless … integrations, develop intuitive user experiences, and transform complex technical requirements into scalable, high-impact solutions. Required Skills Core Programming: Strong software development experience using Java and JavaScript. Operating Environment: Proven experience developing and working in Linux environments. Full-Stack Development: Experience with the Software Development Lifecycle (SDLC ...

looking to recruit a Senior Solutions Architect to based at the Company’s Central London Offices.You will extensive and deep Expertise in following Application Development areas:Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka, etc.Deep … knowledge of Microservices, Containers, REST APIs development, API Management tools (e.g. MuleSoft, Apigee), KafkaSolution architect with broad expertise in wide range of digital technologies in areas of application platform development, web and mobile development, cloud, integration, security, etc.Application dev experience with at least ...

maintain full-stack applications – Build robust, scalable applications using Python (FastAPI/Flask), and ReactJS following best practices and design patterns• Contribute to the development lifecycle – Write clean, maintainable code, implement CI/CD pipelines with GitHub Actions, deploy to Kubernetes, and ensure quality through testing and code reviews … environments• Software Engineering Fundamentals – Strong understanding of OOP concepts, design patterns, SOLID principles, algorithms, data structures, and ability to write clean, maintainable code• Backend Development – Proficiency in Python (Pandas, FastAPI, Flask) for building enterprise applications, data processing, and API development• Frontend Development – Experience with ReactJS, Node.js ...

responsible for technical planning, system integration, verification and validation, and troubleshooting of complex systems and subsystems. This role supports the requirements, design, development, testing, and integration of specialized hardware/software solutions across distributed environments. The ideal candidate brings experience in software engineering, AWS cloud technologies, Kubernetes orchestration … call, or weekend work. Support the design of robust, scalable, and secure system solutions aligned with business and mission requirements. Contribute to the development and integration of software-based solutions using AWS, Kubernetes, and API-driven architectures across distributed environments. Assist with implementation of system and selected network ...

responsible for technical planning, system integration, verification and validation, and troubleshooting of complex systems and subsystems. This role supports the requirements, design, development, testing, and integration of specialized hardware/software solutions across distributed environments. The ideal candidate brings experience in software engineering, AWS cloud technologies, Kubernetes orchestration … call, or weekend work. Support the design of robust, scalable, and secure system solutions aligned with business and mission requirements. Contribute to the development and integration of software-based solutions using AWS, Kubernetes, and API-driven architectures across distributed environments. Assist with implementation of system and selected network ...

Lead Developer/Team Lead – FintechTech: C# .net, Azure, SQL, Team City, GIT, TFSChallenge: Greenfield Trading platform, API development, industry specific challengesFirm: Well-known Insurtech software business, West London, 10 man flat Dev TeamPay: 65k, Bonus- 750 training budget, Pension, Life/Health, Some Flex WorkingQuant is urgently … looking for a Lead Developer/Development Manager to join our high profile client.Current challenges include cloud migration, greenfield trading platform development, and bank based API creation.Our client is a well known fintech software house in the City.Day to Day the Lead Developer/Development Managers ...

Role Summary :We are seeking a Java API Developer to join our Digital Asset development team. This is a hands-on software engineering role responsible for designing, developing, testing, and supporting RESTful APIs and backend services in a financial services environment. The role contributes to building reliable, secure … maintain Java-based backend services and REST APIs that support financial services workflows and data use cases.Implement APIs in line with internal requirements for API design, security, versioning, and documentation, ensuring solutions are consistent and reusable.Collaborate with business and technology stakeholders to understand requirements, clarify edge cases, and deliver ...

APIs Event-driven architecture Streaming data Distributed systems Real-time data processing About You We're looking for engineers with experience in: Commercial Python development Java development Cloud platforms (GCP preferred, although AWS or Azure experience is also valuable) Docker and containerised applications REST API development ...

role in raising engineering quality, accelerating delivery through automation, and driving continuous improvement across the platform. Job Responsibilities: Executes software solutions including design, development, and technical troubleshooting, with the ability to think beyond routine or conventional approaches to build durable solutions and break down complex technical problems using Java … complex applications (e.g., service boundaries, data flows, interface contracts, resiliency patterns) and is accountable for ensuring design constraints are implemented and validated through software development Gathers, analyses, synthesizes, and develops visualizations and reporting from large, diverse datasets to drive continuous improvement in application performance, resiliency, and operational stability Proactively ...

experienced software engineer who enjoys taking ownership and solving challenging technical problems. You'll ideally have experience with: Full stack software development in commercial environments Angular or another modern TypeScript frontend framework Java backend development SQL databases and API development System integration and enterprise application development CI/CD pipelines, automated testing and DevOps practices Software architecture and scalable system design Agile delivery and collaborative development practices Just as importantly, you'll be someone who: Enjoys working through ambiguity and solving complex problems Communicates confidently with both technical and business stakeholders Takes pride ...

DescriptionRole Summary :We are seeking an experienced Java API Developer to join our Digital Asset development team. This is a hands‐on engineering role responsible for building and operating secure, resilient API services that power institutional digital asset capabilities—spanning digital custody, tokenization enablement, digital transfer agency … services and REST APIs that support digital asset product flows (custody, tokenization, TA, digital cash/settlement) and integrate cleanly into the broader platform.Build API services that participate in the platform’s centralized integration approach—supporting client/app onboarding and app-to-service integrations via an Integration ...

experienced Senior Dynamics 365 CRM Developer to play a key role in the evolution of their Microsoft ecosystem. This is a hands-on senior development position where you'll be responsible for enhancing and extending Dynamics 365 solutions, integrating business-critical systems, and helping shape the future technical architecture. … also provide guidance to other developers and contribute to development standards and best practices. We are also very much open to speaking with interim/contractors who would be open to a potential temp to perm contract. Required Skills & Experience Strong commercial experience with Microsoft Dynamics 365 CRM development ...