1 to 25 of 34 Permanent API Development Jobs in London

They are now looking to 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 one of the cloud providers - Amazon AWS or MS Azure " Understanding of distributed computing paradigm … and exposure to building highly scalable systems. " Experience with platform modernization and cloud migration projects " Expertise in Agile development methodologies like TDD, BDD, Performance/Load testing etc. " DevOps experience - CI/CD, Test Automation, Containerization - tools and processes " Should be conversant with emerging technologies - chatbots, voice/conversational interfaces, RPA, Machine Learning, etc. " In-depth, hands-on experience More ❯

needs and aligning it to technology solutions Experience delivering solutions using an Agile/Scrum methodology Technical Requirements Expertise in application architecture using modern technologies such as cloud native development, 12 factor Apps, microservices, serverless, API management, Kafka 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 one of the cloud providers - Amazon AWS or MS Azure Understanding of distributed computing paradigm and exposure to building highly scalable systems Experience with platform modernization and cloud migration projects … Expertise in Agile development methodologies like TDD, BDD, Performance/Load testing etc. DevOps experience - CI/CD, Test Automation, Containerization - tools and processes Should be conversant with emerging technologies - chatbots, voice/conversational interfaces, RPA, Machine Learning, etc. In-depth, hands-on experience in developing web/mobile applications or platform with either Java/J2EE or .NET More ❯

TDD, BDD) Seek out ways to measure the impact your solutions have on the business and use them to inform future workSkills and Experience Specification Essential : Experience of application development using Python (FastAPI desirable) Relevant qualifications and experience i.e. BSc in Computer Science or Engineering, Software Development certifications, etc. Demonstrable experience in configuring and developing complex software solutions … Strong understanding of object-oriented programming and test driven development (TDD and BDD) Strong understanding of agile software engineering practices Appetite for continual experimentation & learning Desirable : Experience of AWS or Azure Hands-on knowledge of Domain Driven Design (DDD) Some experience with frontend technologies such as HTML, CSS, HTMX, React Experience of C# with .NET Web and API development Understanding of git, CI/CD and DevOps practices and experience in Observability/monitoring Any knowledge of Actuarial/Commercial Insurance Some exposure to or interest in Terraform and deployment pipelines in AWS or Azure Awareness of modern software techniques such as integration patterns, microservices, containerisationWhat We OfferThe Tokio Marine HCC Group of Companies offers a 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 ❯

performance. • Guide and mentor less experienced engineers through feedback, pair programming, and coaching. Tech Stack • Backend: Java, RESTful APIs • Cloud & Deployment: AWS, CI/CD pipelines • Other: Third-party API integrations About You • Have strong Java API development experience. • Supports for best practices such as code reviews, pair programming, and automated testing. • Have experience with cloud services More ❯

managers and Quants to expand our derived data and analytics universe. Contribute to complex low latency Java codebase. Understand Quant library interface and work with Quants to validate deliverables. API Development for Analytics and Data: Work closely with portfolio managers and quant devs to develop and maintain APIs for analytics and data dissemination, ensuring that the trading team … with emerging technologies and introduce improvements to system operations. Participate in code reviews and provide constructive feedback to ensure best practices. KEY REQUIREMENTS 3+ years of experience in backend development, with a focus on real time low latency systems. 3+ years of experience in Java. Strong problem-solving skills and attention to detail. Python experience desirable. Real-time software … development, e.g. with eTrading background. Experience with REDIS, Chronicle and other low latency middleware a plus. Experience with containerization and orchestration tools like Docker and Kubernetes. Experience with CI/CD pipelines and automated deployment processes. Experience with timeseries databases such as Snowflake and MongoDB desirable. Prior experience in finance and macro trading principles is highly desirable. Bachelor's More ❯

work with your colleagues, stakeholders and third parties, to align on requirements and deliver a user experience you can be proud of. The role requires demonstrable experience of backend development using PHP and MySQL, and includes full lifecycle development of RESTful APIs and web apps which can operate at scale on AWS. You will appreciate the benefits of … best practises around Modern Software Engineering, CI/CD, DORA metrics. Experience of software architecture and presenting technical designs to your team and stakeholders. Demonstrable expertise and understanding of API development/design and experience interfacing with disparate systems. Excellent communicator with a self-starter attitude and comfort working autonomously. Applicable understanding of software security, common exploits and … secure development practices, including the OWASP Top 10. Proven and demonstrable understanding of testing methodologies and frameworks. Commercial experience with AWS and IaC (Terraform/CDK/CloudFormation) Commercial experience with Linux, Docker, Docker Compose, Git and DynamoDB. About us Arrive, including brands like EasyPark, Flowbird, RingGo, ParkMobile and Parkopedia, is a leading global mobility platform. Present in over More ❯

engineering, product, and security to deliver business-critical functionality Mentor engineers and help define backend engineering standards across the team Continuously improve performance, security, and scalability of the core API platform What we're looking for 10+ years of backend engineering experience, with a strong focus on API development and integration Deep understanding of open web standards … including HTTP, JSON, webhooks, and OpenAPI Track record of building reliable, low-latency systems at scale handling millions of daily API calls Experience with backend languages like Go, TypeScript (Node.js), Python, or PHP in production environments Exposure to Infrastructure and Cloud using AWS and tools like AWS CDK or Terraform Familiarity with distributed system architecture, asynchronous processing, and data … VCs. Work with intelligent, passionate, and driven professionals with experience from leading institutions (such as Goldman Sachs, McKinsey, BCG, Amazon etc). Accelerate your career with opportunities for professional development, leadership and plenty to build and learn. Competitive compensation package of salary + equity. Join a Team of Fintech heroes! Performativ is making waves in the wealth management ecosystem More ❯

ABOUT THE ROLE Work with the team on development and management of applications focused on forecasting, ordering, production, staff planning, transport and online. A hands-on role to deliver applications working with other staff and partners. Collaborate with cross-functional teams to design, develop, and implement scalable and reliable cloud applications. Utilize data science and analytics to enhance application … s degree in Computer Science, Analytics, Engineering, or a related field. Minimum of 1+ years of experience in coding with Python and React.js. Knowledge of databases (SQL & NoSQL) and API development/integration. Familiarity with enterprise architecture design and delivery (Azure, GitHub, etc). Proven experience in building cloud applications using Microsoft Azure/cloud. Strong interest in … days holiday + Bank holiday Pension Scheme Discounts and Savings from high-street retailers and restaurants 24 hour GP service Cycle to work scheme Twice yearly pay review Development programmes for you to RISE with GAIL's More ❯

points. Required skills & experience: Experience with Node.js. Strong knowledge of JavaScript and TypeScript. Microservices, Event Driven Architecture. Experience with Vue.js/Nuxt.js (preferential) or similar frontend frameworks and libraries. API development experience. Proficient experience with the AWS cloud platform. Excellent written and verbal communication skills. Strong problem-solving skills and attention to detail. Good organisational skills. The interview More ❯

Salary: £60,000 - £69,000 pa inclusive About the Role My client's Data and Technology Services division is seeking a talented Integration Specialist (Developer) to lead the design, development, and deployment of data and application integration processes. You'll be part of the Data and Development team, working closely with the Solutions and Partnering Group to deliver … like Oracle PL/SQL, Microsoft SSIS, and emerging platforms such as Salesforce and Mulesoft. Collaborate with Data Analysts, Architects, and system owners to improve data quality and support API/Middleware-based data management. Ensure secure data access and processing in line with cybersecurity policies. Define solution design and implementation patterns with technical leads and architects. Research and … advise on new technologies and standards relevant to DTS. Essential Skills & Experience Full lifecycle development experience on the Mulesoft Anypoint Platform (Design Centre, Exchange, Studio, API Manager, Runtime Manager). Strong SQL skills with the ability to write and interpret complex queries. Experience in developing flows in Anypoint Studio for batch and asynchronous processing. Proficiency in RESTful API More ❯

be collaborating with he strategy team on Greenfield projects which you'll take ownership of and will see the business impact of. There's a focus on backend and API development although you'll also have elements of front end work with JavaScript and React.js. Location: You'll be based in plush City office on a fulltime basis … Monday to Friday. About you: You have expertise with C# .Net, ASP.Net development You have a strong knowledge of databases (SQL or Oracle) You're comfortable with JavaScript/React You have a thorough knowledge of Computer Science fundamentals such as OOP, Design Patterns, Data Structures, Algorithms You are collaborative with excellent communication and stakeholder management skills You are … you: As a Backend Software Engineer/Developer you will receive a competitive package: Salary to £150k Bonus paid every six months based on personal performance (10-25%) Professional development Pension Health Insurance Gym membership Social events, free fruit, snacks, coffee etc. Apply now to find out more about this Backend Software Engineer/Developer (C# .Net) opportunity. At More ❯

/week onsite) Salary: £60,000 - £70,000 (depending on experience) Employment Type: Full-Time, Permanent Overview A dynamic consultancy is seeking a Senior Analytics Engineer to lead the development of scalable data solutions across a range of high-impact projects. This role offers the opportunity to work at the intersection of data engineering, analytics, and software development … Airflow . Collaborate with clients to understand business challenges and deliver tailored data solutions. Transform raw data into structured, actionable datasets for use in AI , predictive modelling , and platform development . Promote engineering best practices including automation, testing, and code quality. Mentor junior team members and lead technical workstreams to elevate team capability. Essential Skills & Experience Proven experience in … analytics engineering , data engineering , or model development roles. Advanced proficiency in Python (including libraries such as NumPy and Pandas) and SQL . Demonstrated ability to deliver production-ready solutions in a commercial environment. Strong communication skills with the ability to engage stakeholders and translate technical work into business outcomes. Hands-on experience with cloud platforms (preferably AWS or Snowflake More ❯

/week onsite) Salary: £60,000 - £70,000 (depending on experience) Employment Type: Full-Time, Permanent Overview A dynamic consultancy is seeking a Senior Analytics Engineer to lead the development of scalable data solutions across a range of high-impact projects. This role offers the opportunity to work at the intersection of data engineering, analytics, and software development … Airflow . Collaborate with clients to understand business challenges and deliver tailored data solutions. Transform raw data into structured, actionable datasets for use in AI , predictive modelling , and platform development . Promote engineering best practices including automation, testing, and code quality. Mentor junior team members and lead technical workstreams to elevate team capability. Essential Skills & Experience Proven experience in … analytics engineering , data engineering , or model development roles. Advanced proficiency in Python (including libraries such as NumPy and Pandas) and SQL . Demonstrated ability to deliver production-ready solutions in a commercial environment. Strong communication skills with the ability to engage stakeholders and translate technical work into business outcomes. Hands-on experience with cloud platforms (preferably AWS or Snowflake More ❯

background as a Software Architect or Lead Engineer. Strong experience with Swift, particularly in mobile app development. Strong Experience working with APIs Exposure to Swift Vapor for server-side API development (desirable, not essential). Proficiency in modern JavaScript/TypeScript stacks Node.js, Angular. Experience in small or mid-sized software companies. Strong communication and collaboration skills. Salary More ❯

LangChain, LlamaIndex, or similar technologies Advanced programming skills in Python or JavaScript for rapid prototyping and system integration Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development Practical knowledge of vector databases and embedding technologies for RAG system implementation Outstanding interpersonal skills - capable of converting business challenges into technical AI strategies Background in agile More ❯

LangChain, LlamaIndex, or similar technologies Advanced programming skills in Python or JavaScript for rapid prototyping and system integration Familiarity with workflow automation solutions (UiPath, Power Automate, Zapier, n8n) and API development Practical knowledge of vector databases and embedding technologies for RAG system implementation Outstanding interpersonal skills - capable of converting business challenges into technical AI strategies Background in agile More ❯

Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have (not essential): Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯

maintainable pipelines Quick learner with a passion for new technologies Experience in startups or top-tier consultancies is a plus Nice to Have: Familiarity with dashboarding tools, Typescript, and API development Exposure to Airflow, DBT, Databricks Experience with ERP (e.g. SAP, Oracle) and CRM systems What's On Offer: Salary: £50,000-£75,000 + share options Hybrid More ❯