1 to 25 of 405 Permanent REST Jobs in London

Lead Software Engineer- Tax & Legal Technology -108720

Hiring Organisation
KPMG UK
Location
City of London, Greater London, UK
languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

Lead Software Engineer- Tax & Legal Technology –108720

Hiring Organisation
KPMG UK
Location
City of London, London, United Kingdom
languages such has C# or Java Enterprise Expertise : Expertise in software design patterns, clean code, and clean architecture principles & Knowledge of how to build REST APIs and have experience of messaging. Data Modelling: Worked with defining data models and interacting with database Proven Track Record: Built software that includes user ...

Java Lead

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
production support activities.Optimize application performance, reliability, and scalability.Follow Agile development methodologies and DevOps best practices.Required Skills Core Technologies,Java 11/17+,Spring Boot,REST APIs,Microservices Architecture,dynatrace.Git,Databases,Oracle,PostgreSQL,SQL,Cloud & DevOps,Azure, AWS, or GCP,Docker,CI/CD Pipelines,Jenkins or GitHub Actions,Process Automation ...

Senior Software Engineer

Hiring Organisation
IBEX RECRUITMENT LTD
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
other engineers Technical Environment You'll work across a modern engineering stack including: C#/.NET/.NET Core TypeScript & JavaScript React Python Node.js REST APIs & Microservices SQL & NoSQL databases Docker & Kubernetes CI/CD pipelines Highly Desirable Experience We're particularly interested in engineers who have experience with ...

Senior Full Stack Engineer (Java & React)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
developer productivity platforms Experience mentoring engineers and contributing to technical leadership initiatives Technical Environment You will work with technologies including: Backend Java 11+ REST APIs Microservices Architecture Frontend React 18+ TypeScript JavaScript HTML5 CSS3 Cloud & Platform Microsoft Azure Azure API Management Azure Service Bus Azure Event Hub DevOps & Automation Terraform ...

Solution Architect

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
handling large data volumes, with experience across cloud data platforms, data pipelines and SQL‐based technologies. Integration: Strong integration experience across external systems, including REST APIs, messaging and event‐driven architectures, and secure file and data exchange, with experience using canonical data models and anti‐corruption layers. Security: Strong grounding ...

Solution Architect (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
handling large data volumes, with experience across cloud data platforms, data pipelines and SQL-based technologies.* **Integration:** Strong integration experience across external systems, including REST APIs, messaging and event-driven architectures, and secure file and data exchange, with experience using canonical data models and anti-corruption layers.* **Security:** Strong grounding ...

Senior Java Developer

Hiring Organisation
MW recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £125,000 per annum
solutions Capital Markets knowledge, ideally within Clearing or Prime Brokerage. Desirable Previous team leadership or mentoring experience Knowledge of Groovy, FIX/FIXML, FpML, REST APIs, JSON or messaging technologies Experience developing client portals and reporting platforms Experience working with distributed or offshore development teams. Technical Environment You'll have ...

Solution Architect (Contract Role)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
driven design. Experience designing large data-volume solutions across cloud data platforms, pipelines, and SQL-based technologies. Proficiency in integration with external systems via REST APIs, messaging, event-driven architectures, secure file exchange, and use of canonical data models and anti-corruption layers. Strong foundation in security architecture, including authentication ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
ReactJS. Cloud & Serverless: AWS Lambda, AWS Cloud Services, Kubernetes. Additional Technical & Functional Competencies Frontend Architecture: TypeScript, JavaScript (ES6+), Redux/Context API, HTML5, CSS3, REST/gRPC integration. Streaming & Messaging: Apache Kafka, Apache Flink. APIs & Protocols: RESTful web services, gRPC, JSON, Protocol Buffers. Core Computer Science: Strong mastery of data ...

Backend Developer

Hiring Organisation
scrumconnect ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Back End development experience Strong expertise in Java and Spring Boot Solid understanding of microservices architecture and distributed systems Experience designing and developing REST APIs Strong knowledge of Hibernate/JPA and relational database design Experience with messaging systems such as Kafka or RabbitMQ Hands-on experience with cloud platforms ...

Senior & Principal Java Camunda Enigneers

Hiring Organisation
Casci
Location
South East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Proven experience leading and mentoring teams of engineers to deliver high-quality, production-grade software (expected at Principal level) Familiarity with Spring Boot, REST APIs, and microservice architectures Knowledge of Docker, Kubernetes, Git, CI/CD pipelines, and automated testing frameworks Good knowledge of security, authentication, and integration patterns ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
modern .NET, cloud and full stack practices. Qualifications Back-end (Primary Focus), Expert in C# and .NET Core with strong experience in MVC, REST API design and best practices; deep knowledge of AWS/cloud computing, microservices, CQRS, event‐driven and message‐based architectures; experienced with SQL Server, PostgreSQL ...

Senior Engineering Manager

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
balance new features against architectural health. Excellent time management and proactive problem-solving skills. Technologies we work with Back end (primary): .NET/C#, REST APIs, event-driven and microservice architectures. Front end: React, TypeScript. Machine learning: Python, model training and serving, and the infrastructure to run models in production. ...

Sr Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
services using JavaScript or other relevant enterprise technologies such as Java or .NET. 7+ years of experience designing and developing complex web services using REST, TypeScript, JavaScript/NodeJS, Jest, Java, Python, or related technologies. 5+ years of experience designing and developing web applications using HTML5, CSS, and modern ...

Senior Software Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Engineering (Web & APIs) 4+ years of production experience with modern Web stacks (TypeScript, React, Node.js, or Python/FastAPI). Strong API design experience (REST, GraphQL, gRPC, WebSocket) and relational/non-relational database design (PostgreSQL, SQLite). Systems & Mobile Architecture (Android ART) Proficiency in Kotlin or Java on native ...

Director, Applied AI & Agentic Platform Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, Kafka Cloud & DevSecOps Cloud Platforms: Strong experience with GCP (preferred); working knowledge ...

Director, Applied AI & Agentic Platform Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Backend & Distributed Systems Languages: Python (expert), Java/Spring Boot (enterprise standard), Go (plus) Architecture: Microservices, domain‐driven design, event‐driven systems APIs & Integration: REST/gRPC; Apigee, Kong Data & Messaging: PostgreSQL/Oracle, MongoDB/Cassandra, Kafka Cloud & DevSecOps Cloud Platforms: Strong experience with GCP (preferred); working knowledge ...

Lead Software Engineer - C#, SQL Server Database

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
operational stability Proficiency coding with JavaScript and using front‐end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# with .NET Core or .NET frameworks Ability to develop, debug, and maintain code in a corporate environment using modern ...

Java Engineer with AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
roadmaps Required Qualifications Strong experience with Java 12+, Spring Boot, and microservices architecture Experience integrating AI/ML solutions into backend systems Understanding of REST APIs, distributed systems, and database design Familiarity with SQL and NoSQL databases Experience with cloud platforms (e.g., Amazon Web Services, Google Cloud Platform, or Microsoft ...

Senior Java Developer IRC298567

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leveraging core microservices patterns (e.g., Service Discovery, Circuit Breaker, API Gateway, and CQRS). Design and build robust, secure, and well-documented APIs (REST/gRPC) and manage inter-service communication using synchronous and asynchronous (event-driven) messaging patterns. Collaborate with cross-functional teams (Product, DevOps, QA) to define, design ...

Lead Software Engineer - C#, SQL Server Database

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
operational stability Proficiency coding with JavaScript and using front‐end UI frameworks such as React or Angular Experience building ASP.NET MVC, Web API, or REST style applications Proficiency coding in C# with .NET Core or .NET frameworks Ability to develop, debug, and maintain code in a corporate environment using modern ...

Java Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
following; Strong proficiency in Java (Java 12+ preferred). Experience with Spring Boot, Spring Framework, and microservices architecture. Strong understanding of REST APIs, distributed systems, and event-driven architectures. Experience with relational databases such as PostgreSQL, MySQL, or Oracle. Experience with cloud platforms such as AWS, Azure, or Google Cloud ...

Node.js/TypeScript Backend Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
through collaboration, communication, and shared ownership Technical Expertise Experience working with microservices architecture Experience handling large‐scale datasets (millions of rows) Strong knowledge of REST, JSON, and SOAP APIs Experience writing unit, integration, and end‐to‐end tests Hands‐on experience with CI/CD pipelines (GitHub Actions) Experience using ...

Senior VP Credit Risk SME/Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Redis, Apache Kafka, Spark, HBASE and HDFS. Risk technology are using Kubernetes to deploy fraimWRX with a Python based Coordinator and Job Runner REST components. An in-house .NET based application layer integrates the FRA into MUFG proprietary systems. The successful candidate’s primary role as leader of the Credit ...