20 of 20 Contract Spring Jobs in London

with cross-functional team, including product owner, business analysts, scrum masters, front-end and back-end developers • Design, develop and implement microservices using Java Spring Boot, ensuring code is modular, testable and re-usable • Design, develop and implement responsive and intuitive user interfaces using Angular and TypeScript/Java … with the project’s overall vision. Qualifications: • Strong expertise in Core/Advanced Java and J2EE • Experience in developing and deploying microservices architectures using Spring Boot, Spring Batch, Spring Data, or similar frameworks • Knowledge of JIRA, Junit, and Apache Kafka are preferred • In-depth knowledge of REST ...

Hands-on experience with Kafka in production environments Experience building and consuming RESTful APIs Solid understanding of backend engineering principles Nice-to-Have Skills Spring ecosystem (Spring Framework, Spring Boot, Spring Data) Postgres or other relational databases OpenSearch/Elasticsearch Node.js Wiremock or other API mocking ...

paced atmosphere and enjoy collaborating with cross-functional teams, this opportunity is for you! What We're Looking For: Strong expertise in Java and Spring/Spring boot. Hands on Smart Contract (Solidity) experience in essential Experienced in financial services , Ideally Commercial Lons. Experience in developing and deploying … microservices architectures using Spring Boot, Spring Batch, and Spring Data In-depth knowledge of REST API principles and HTTP protocols. Proficiency in Git, CI/CD, and Agile methodologies. Familiarity with JIRA, JUnit, and Apache Kafka is preferred. Experience with NoSQL databases such as CosmosDB and MongoDB. ...

5involvement in at least one production-grade data system within financial services or a similarly regulated industry. Strong coding skills in Python or Java (Spring Boot); React experience is a plus. Proficiency with modern data tools: Airflow, Spark, Kafka, dbt, Snowflake or similar. Experience with cloud platforms (AWS, Azure ...

background in distributed, cloud native, and data intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker ...

background in distributed, cloud‑native, and data‑intensive systems. Deep AWS experience (essential). Strong data modelling and data architecture skills. Expertise in Java, Spring Boot, REST/event‑driven services; good knowledge of Angular/Node.js. Solid understanding of CI/CD, IaC (Terraform/CloudFormation), containers (Docker ...

Lambda, EKS, Elastic Beanstalk, IAM, Neptune - Azure: Data Factory, Databricks, Synapse, Data Lake, Event Hub, AKS, Power BI - Microservices and APIs using Java/Spring Boot - CI/CD using GitLab, Azure DevOps, Kubernetes, Helm, Terraform - Ensure cloud security, compliance, and resilience Data, Analytics & Governance: - Define enterprise data strategy ...

depth knowledge of a fourth-generation programming language (4GL) Strong skills in object-oriented analysis and design (OOAD) Proven experience with C#, Java (Spring Boot, JPA/Hibernate), REST APIs, observability, monitoring, queue technologies, security, and relational databases (especially Postgres). Strong understanding of SOLID principles, microservice development focused ...

REST . Extensive knowledge of CICS web services . Java development experience, including OOP and functional programming (Java 8+). Familiarity with Spring Boot , annotations, and configuration for simplified deployment. RESTful API development experience. Hands-on experience with DataPower appliances . Development experience with XSLT, Gateway Script, and XPath ...

continuous improvement initiatives Produce technical documentation and support knowledge transfer Technical Skills Strong hands-on experience with FIS ACBS Proficiency in Java, J2EE, Spring, and related frameworks Experience with SQL, Oracle, or DB2 databases Knowledge of ACBS APIs, batch jobs, and reporting tools Experience with Unix/Linux environments ...

travel to Croydon Inside IR35 - Umbrella only Active SC clearance required, eligible candidates will be considered Required Skills: Java Kafka Nice to Have Skills: Spring (Framework, Boot, Data) Postgres OpenSearch/ElasticSearch NodeJS Rest API Wiremock (API mocking) Suitable Candidates should submit CVs in the first instance ...

travel to Croydon Inside IR35 - Umbrella only Active SC clearance required, eligible candidates will be considered Required Skills: Java Kafka Nice to Have Skills: Spring (Framework, Boot, Data) Postgres OpenSearch/ElasticSearch NodeJS Rest API Wiremock (API mocking) Suitable Candidates should submit CVs in the first i click apply ...

public sector programme focused on delivering secure, high-performance systems that support critical government services. Required Skills * Java * Kafka Nice to Have Skills * Spring (Framework, Boot, Data) * Postgres * OpenSearch/ElasticSearch * NodeJS * Rest API * Wiremock (API mocking) Reasonable Adjustments: Respect and equality are core values to us. ...

TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real-time streaming. Build performant and accessible UIs with modular, reusable components; drive state … looking for Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar), multithreading/concurrency, performance tuning. Experience designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding ...

client. Key Requirements: Must have Active SC Clearance Strong experience in Java 1.8+ application development. Expertise in ReactJS and NodeJS for web applications. Spring/Spring Boot development. Proficiency in Test Driven Development and design patterns for modular, reusable code. Knowledge of REST APIs, asynchronous messaging, and database ...

TypeScript web apps, desktop container integrations (OpenFin or similar), and Java services. Architect and implement scalable, event-driven, and microservices-based backend components (e.g., Spring Boot), including APIs, market data, order/risk workflows, and real-time streaming. Build performant and accessible UIs with modular, reusable components; drive state … implementation plans. Essential: Professional software engineering experience, with deep expertise in: Frontend: React, TypeScript, modern tooling (bundlers, linting, testing frameworks). Backend: Core Java, Spring Boot (or similar), multithreading/concurrency, performance tuning. Experience designing and operating distributed systems (microservices, event-driven architectures, messaging/streaming). Strong understanding ...

/Experience Option 1: Java-Based Skills Java skill set. Strong foundation in Java, including OOP and functional programming (Java 8+). Familiarity with Spring Boot annotations, configuration, and how it simplifies Spring application setup and deployment. RESTful API development experience. Option 2: Integration & Middleware Skills Hands ...

commercial experience working as a Full Stack Developer within the Public Sector. Active SC and NPPV3 Clearance. Senior-level expertise in either Java/Spring (Boot, Data JPA, Security) or JavaScript/TypeScript with React; mid-level experience acceptable in the other Proven experience delivering high-quality, cross-functional … solutions using microservices and micro-frontend architectures Hands-on experience with Java & Spring best practices, React, and cloud/data services including SNS, SQS, S3, Aurora/PostgreSQL, and OpenSearch Excellent communication skills. Nice to have: Technical leadership with the ability to identify delivery inefficiencies, escalate issues, and drive ...

ideal for someone who is comfortable working autonomously, designing and maintaining automation frameworks, and collaborating closely with developers working on React front ends and Spring Boot APIs. You will play a key role in ensuring the reliability and quality of their applications across the full stack. Key Responsibilities Design … build, and maintain automated test frameworks from scratch Create and execute automated tests for React-based front-end applications & Spring Boot REST APIs Develop and maintain test suites for regression, integration, and end-to-end testing Identify, document, and track defects through to resolution Continuously improve test coverage ...

Fidessa Developer - Java/Spring - sought by investment bank based in London - Contract - Hybrid *inside IR35* Key Responsibilities Develop and customise the Fidessa cash equities order management systems for US and Canadian markets. Translate business requirements into technical solutions using Fidessa and Java. Collaborate with global teams to deliver … Experience 5+ years of hands-on development experience with the Fidessa trading platform . Strong understanding of equities trading . Proficiency in Java (including Spring framework) and Python . Excellent interpersonal, communication, and organisational skills. Desirable Skills Knowledge of other asset classes in Capital Markets. Experience with tools such ...