576 to 600 of 4,571 Java Jobs

Principal Developer

Hiring Organisation
Hackajob Ltd
Location
Westminster, Greater London, UK
deeply embedded within our DNA. Invest in us and we'll invest in you!. Job Description We are seeking an experienced Full Stack Java Technical Lead to join our UK Digital & Cloud Practice. Our Digital Practice is expanding rapidly, offering opportunities to achieve medium and long-term career goals. … pipelines, and SOLID/DRY principles. Technical Skills: Hands-on experience with the following technologies: Frontend: JavaScript/TypeScript, Angular, React, Node. Backend: Java, Spring Boot, Hibernate. Desirable Kotlin. Estimation and Sizing: Experience in estimation and sizing. Integration and API Design: Experience in integration and API design. Cloud Experience: Proficiency ...

Senior Software Engineer - Commercial Trading

Location
City of Westminster, England, United Kingdom
testing approaches and associated toolsets, applied effectively across unit, integration and system testing levels. Technical versatility and proficiency across relevant technologies and tools, including Java, PL/SQL, JavaScript, Git and CI/CD pipelines. Expertise in designing, building and operating scalable cloud-native applications with a strong focus … assortment planning or sales planning, would be advantageous but is not essential. Tech Stack The team uses a variety of modern technologies, including: Backend: Java, Spring, Spring Boot, Micronaut Frontend: React, Next.js, TypeScript, Angular Cloud & Infrastructure: Azure Cloud, Kubernetes Observability: Dynatrace Databases: SQL Server, MongoDB Caching & Performance: Ignite, Redis What ...

Principal Data Scientist - Optimisation Engineering

Location
Greater London, England, United Kingdom
MILP, constraint programming, heuristics/metaheuristics) and how they impact product design. Hands‐on programming experience in one or more mainstream languages (e.g., Python, Java, C#, C++), with the ability to review and guide code quality. Experience integrating and operating optimisation components (e.g., solver orchestration, model/service boundaries, runtime … Technical skills & tools Optimisation: Gurobi (or equivalent), model libraries/APIs, batching/warm starts, parameter management, sensitivity analysis. Languages: Python and/or Java/C#/C++ (based on team stack). Services: REST/gRPC APIs, microservices and/or modular monoliths, asynchronous job orchestration. Data ...

Integrated (Migration and Modernization) Architect

Location
Greater London, England, United Kingdom
Responsibilities Application Portfolio Assessment Lead large-scale application portfolio discovery and assessment engagements across enterprise client environments — covering 100s to 1000s of applications spanning Java, .NET, legacy frameworks, packaged COTS applications, and custom-built systems Design and execute application assessment frameworks covering Technical health, cloud readiness, containerization/serverless readiness … Large-Scale Application Migration & Modernization Architecture Design target state cloud architectures for complex, multi-tier enterprise applications — spanning web, middleware, and database layers across Java, .NET, and polyglot environments Architect DevSecOps transformation pipelines including CI/CD design, automated testing integration, security scanning, and GitOps adoption for modernized application platforms ...

DV Cleared Software Developers

Hiring Organisation
Flint UK Technology Services
Location
Cheltenham, Gloucestershire, UK
Employment Type
Full-time
cutting-edge technologies on projects where reliability, innovation and security are paramount. What You'll Bring Strong software engineering experience using languages such as Java, Python or C# Hands-on experience with modern DevOps tooling, including CI/CD platforms such as Jenkins or GitLab Experience working with cloud platforms ...

DV Cleared Software Developers

Hiring Organisation
Flint UK Technology Services
Location
Cheltenham, Gloucestershire, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
cutting-edge technologies on projects where reliability, innovation and security are paramount. What You'll Bring Strong software engineering experience using languages such as Java, Python or C# Hands-on experience with modern DevOps tooling, including CI/CD platforms such as Jenkins or GitLab Experience working with cloud platforms ...

Senior Lead Software Engineer- Back End- Madrid

Location
Greater London, England, United Kingdom
escalability. Work with the Product team to understand user needs and follow an Agile SDLC to develop and deliver product features. Our stack is Java/Springboot with a bit of Kotlin, DynamoDB, Aurora/MySQL and AWS. Participate with the rest of the team in designing how our architecture … quality software that adjusts to business and product needs to provide a great user experience in a timely manner. Experience with a JVM language (Java/Scala/Kotlin) and Springboot. Experience designing systems from scratch as well as evolving existing architectures to achieve new goals, both serverless and managed ...

DAML Developer / Distributed Ledger Engineer – Canton Network

Location
Wrexham, Wales, United Kingdom
Technical Skills:**4+ years hands-on **DAML & Canton Network experience**.Strong understanding of **distributed systems** (consensus, transaction finality, message flows).Experience with **Python, Java, Scala, or TypeScript** for off-ledger components.Integration experience: **REST APIs, gRPC, Kafka, databases**.Familiarity with **Docker/Kubernetes** and cloud platforms (AWS/Azure/ ...

Lead Software Engineer - Solution & Data Architecture - B2B SaaS Fintech

Location
Greater London, England, United Kingdom
stop writing code. What we're looking for 8+ years building backend systems in production, with real depth in Kotlin and/or Java (17+) and the Spring ecosystem (Boot, Web, Security, Data). A track record of architecting systems, not just services : you've owned significant design decisions … come from finance. You do need to be curious about it, because the domain is half the job. Our stack Core backend: Kotlin, Java 17+, Spring Boot & Co, JPA/Hibernate, SQL and NoSQL, Elasticsearch, Gradle, JUnit/AssertJ/MockK Metrics, analytics and AI: Python, FastAPI, Polars, LangChain Frontend ...

Lead Software Engineer

Hiring Organisation
Anson Mccade
Location
South West London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
coding and engineering best practices. Experience you'll need as a Lead Software Engineer Strong commercial experience designing and developing software using C# or Java . Experience with REST APIs, messaging, microservices and software design patterns . Proven experience leading, mentoring and supporting software engineering teams. Experience building user-facing ...

Full Stack Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £85,000 per annum
principles. Experience working with APIs and modern integration technologies, including GraphQL. Familiarity with CI/CD pipelines, cloud environments, and software documentation. Experience with Java or Kotlin, Spring Boot, microservices, PostgreSQL, Kafka, Docker, AWS, and Kubernetes would be highly beneficial. Strong communication skills and the ability to thrive ...

Software Engineer / Full-Stack Software Engineer

Location
Gloucester, England, United Kingdom
team Collaborate with your peers on technical direction within your team Desired Skills and Experience Core Software Engineering JavaScript frameworks (React, NextJS) TypeScript Python Java REST API development OpenAPI/Swagger Cloud & Infrastructure Cloud services (AWS or Azure) Containerisation & Orchestration (Docker, Kubernetes, OpenShift) Infrastructure as Code (Terraform, Ansible) Data & Search ...

Backend/API Engineer - Telecoms & Cloud

Location
Belfast City District, Northern Ireland, United Kingdom
commercial environment. Strong understanding of REST, HTTP, JSON and API design principles . Experience with one or more backend development languages such as C#, Java, Python, Node.js or PHP . Experience developing and integrating third-party APIs and business systems . Strong knowledge of SQL and relational databases . Experience ...

Software Engineer

Location
Gloucester, England, United Kingdom
with peers on technical direction within your team. Qualifications Full stack experience within an agile team building enterprise‐grade web applications or backend services. Java development with Spring Boot. Front‐end development using modern JavaScript frameworks (e.g., React, Vue). Experience with cloud platforms such as AWS or Azure. Containerisation ...

Software Engineer

Location
West of England, England, United Kingdom
with peers on technical direction within your team. Qualifications Full stack experience within an agile team building enterprise‐grade web applications or backend services. Java development with Spring Boot. Front‐end development using modern JavaScript frameworks (e.g., React, Vue). Experience with cloud platforms such as AWS or Azure. Containerisation ...

Software Engineering Manager

Hiring Organisation
Halian Technology Limited
Location
Central London, London, United Kingdom
Employment Type
Permanent
with highly available, transaction-heavy platforms. Technology Environment While experience with all technologies is not required, exposure to the following would be beneficial: .NET, Java, Python, or Node.js, React Microservices architecture RESTful APIs Kubernetes and Docker AWS, Azure, or GCP CI/CD tooling Observability and monitoring platforms Modern data ...

Lead Software Engineer - Go / Kubernetes / Python - Public Cloud Engineering

Location
Greater London, England, United Kingdom
Access Management platforms, role‐based access control, or entitlement governance at scale Proficiency in one or more languages, frameworks, or platforms such as Java, Spring, Go, Python, Terraform, or Kubernetes Cloud‐native experience building and operating services on at least one public cloud provider such as Amazon Web Services, Microsoft ...

Senior Lead Software Engineer - Go / Kubernetes / Python - Public Cloud Engineering

Location
Greater London, England, United Kingdom
platforms, role‐based access control, or entitlement governance at scale Advanced proficiency in one or moreprogramming languages, frameworks, or platforms such as Go, Python, Java, Kubernetes or Terraform Practical cloud‐native experience building and operating services on at least one public cloud provider, such as Amazon Web Services, Microsoft Azure ...

Senior Lead Software Engineer, Big Data & Cloud Engineering — Risk Central (London)

Location
Greater London, England, United Kingdom
preventative engineering, and SLAs and SLOs. Required Qualifications, Capabilities, and Skills Demonstrated experience delivering production software systems at scale. Proficiency in Python and or Java or Scala, with computer science fundamentals including data structures, algorithms, and object-oriented design. Hands-on experience with distributed data processing, such as Spark ...

Lead Software Engineer

Location
Greater London, England, United Kingdom
distributed systems. Hands-on experience across frontend and backend technologies. Strong expertise in technologies such as: TypeScript/Node.js React or modern web frameworks Java/Kotlin (desirable) REST APIs and event-driven architectures Experience with AWS, Docker, Kubernetes, and modern DevOps practices. Experience working in financial services or other ...

Senior Software Developer in Test - Senior Consultant

Location
Greater London, England, United Kingdom
Skills & Experience: Eligibility for SC clearance Significant experience in Agile environments (e.g., SCRUM, Kanban). Solid technical development background with strong coding skills in Java, C#, TypeScript, JavaScript, or similar Proven expertise in automation testing, with hands‐on experience using tools like Playwright, Selenium, Cypress, or RestAssured Strong knowledge ...

Senior Data Consultants London

Location
Greater London, England, United Kingdom
using modern data engineering techniques (e.g. distributed systems, data streaming, event-based architectures etc) Software development experience with one or more languages (e.g. Python, Java, C#) Solid software engineering and DevOps skills as well as the complete SDLC applied to data, e.g. design patterns, automation, testing, contract definition, clean code ...

Senior Software Engineer - Python

Location
Cardiff, Wales, United Kingdom
verbal communication skills Although not essential, we would be excited to speak to candidates who also have: Knowledge of other programming languages (particularly Go, Java, or Typescript) Experience working with microservices and event driven architectures Database engineering experience (particularly PostgreSQL and DynamoDB) Terraform/IaC experience Kubernetes and Docker experience ...

Staff Engineer (Identity Team)

Location
Greater London, England, United Kingdom
core computer science principles, including data structures, algorithms, software design, and complexity analysis. Demonstrable programming ability in at least one modern language (e.g., Python, Java, Go, etc). Strong analytical and problem-solving skills, with the ability to approach complex challenges in a structured manner. Excellent communication and interpersonal skills ...

Senior Software Engineer

Location
Greater Manchester, England, United Kingdom
government department. You'll work in collaborative, multidisciplinary teams to design and deliver secure, resilient and scalable solutions. Working with technologies including AWS, Kubernetes, Java, microservices and CI/CD, you'll help build and improve platforms that support critical public services at scale. We champion engineering excellence, clean code ...