126 to 150 of 3,451 kotlin,java Jobs in the UK

Introduction In response to new work and additional work from existing clients we are looking for an Android Developer to join our team. We produce award-winning work for globally recognised brands in the world of sport, and are looking More ❯

Introduction In response to new work and additional work from existing clients we are looking for an Android Developer to join our team. We produce award-winning work for globally recognised brands in the world of sport, and are looking More ❯

Able to take the initiative and shape their own path. Has a pragmatic and iterative approach to achieving our long term goals Technologies: We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed. We look to use Open source when it makes sense and More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Senior Java Developer - Remote - up to £95K Halian is currently supporting a multi-national and award-winning organisation who are looking for a talented and experienced Java Developer to join their dynamic team on a permanent basis. This is a great opportunity to create exceptional customer experiences and work on cutting-edge technology! As a Senior Engineer, you … quality solutions. Location: South East/Remote. Salary: up to £95,000 + + competitive benefits, depending on experience. Requirements: Experience building and shipping large scale applications Knowledge of Java AND OR Kotlin A solid understanding of AWS OR GCP Experience with TDD and pain programming. Experience with third-party libraries and APIs. Experience leading engineering decisions More ❯

Job Title: Staff Backend Engineer (Kotlin) Location: Remote (UK-based candidates only) Salary: £100,000 - £130,000 Reports To: CTO Industry: Healthcare About the Company: I’ve partnered with an exciting HealthTech start-up on a mission to revolutionise healthcare through technology. Following investment, they are now looking for a Staff Backend Engineer to join the team and … the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Tech Stack: Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Database: PostgreSQL Cloud Platforms: AWS or GCP Containers & Orchestration: Docker, Kubernetes CI/CD for continuous integration and deployment What We … re Looking For: 7+ years of backend engineering experience, with a strong background in multithreaded backend languages (Kotlin, Java, Go, Rust, etc.). Experience working in the HealthTech space Strong experience with PostgreSQL or similar relational databases. Proficient in system design, API development, and microservices architecture. Hands-on experience with cloud platforms (AWS, GCP), containerisation (Docker), and More ❯

Lead Backend Engineer (Kotlin/JVM) in a B2B FinTech startup Hands-on, leading a team of 4 💷 Up to £100,000 + Equity + Benefits 📍Hybrid Remote: 1-3 Days in Central London office Join a B2B FinTech startup backed by a global bank, that is transforming the financial advisory space. They’ve created a unified, scalable … , Grails, Vert.x, gRPC, microservices, event-driven architecture, GCP, Kubernetes, Terraform, Kafka, BigQuery, PostgreSQL Ideal Candidates will have: 5+ years in Backend-focused JVM Engineering (Kotlin, Java, or Scala) 1+ year leading engineering teams of 4+ people Experience designing event-driven systems, microservices and using gRPC Experience in a startup environment: building fast, wearing many hats More ❯

Lead Backend Engineer (Kotlin/JVM) in a B2B FinTech startup Hands-on, leading a team of 4 💷 Up to £100,000 + Equity + Benefits 📍Hybrid Remote: 1-3 Days in Central London office Join a B2B FinTech startup backed by a global bank, that is transforming the financial advisory space. They’ve created a unified, scalable … , Grails, Vert.x, gRPC, microservices, event-driven architecture, GCP, Kubernetes, Terraform, Kafka, BigQuery, PostgreSQL Ideal Candidates will have: 5+ years in Backend-focused JVM Engineering (Kotlin, Java, or Scala) 1+ year leading engineering teams of 4+ people Experience designing event-driven systems, microservices and using gRPC Experience in a startup environment: building fast, wearing many hats More ❯

also offer competitive compensation. Additionally, the package includes potentially very lucrative stock options. Ideal Software Engineers should possess robust programming abilities in languages such as C, C++, Objective-C, Java, C#, Python, or Golang, coupled with an outstanding academic history, preferably from top-tier universities globally. Given that this is a hardware-oriented product, expertise in electronics, mechanical engineering … they ensure an environment that nurtures the talents of software engineers. Position : Software Engineer Location : Soho, London - hybrid Salary : £50-70k & stock options Key Skills : Golang, C, C++, Java, Kotlin, Python, objectiveC, Linux, Azure, top academics More ❯

Senior Java/Kotlin Developer - Finance - London Outside IR35 2 days a week in London £600-650 per day Candidates must have 1-2+ years commercial backend, Kotlin experience. The Role: You will be part of the core development team who implements scalable and resilience core services for their products. You will work in … technologies, frameworks and approaches to delivery. You will be able to articulate your ideas to your colleagues effectively and will take on board the ideas of others. Technical Skills - Java - Kotlin - PostgreSQL - API - TDD Desirable Skills Degree or equivalent qualification desirable (ideally in Computer Science, Mathematics, Engineering or a similar discipline More ❯

for LLMOps, GenAI integration, and data vectorization. Contribute to decisions on technology direction and strategy. Key Skills LLMOps and experience with Generative AI integration Programming experience in Go (Golang) , Java , Kotlin , JavaScript/Node.js , or Python Strong hands-on experience with Kubernetes (K8s) and OpenShift Experience with MongoDB , Kafka , Prometheus , OpenTelemetry , Grafana Familiarity with tools like Helm More ❯

product managers, and fellow developers to design and deliver solutions that drive real impact. In this role, you will: Design and develop backend services and data APIs using Scala, Java, or Kotlin on the JVM. Build intuitive and responsive web interfaces using modern JavaScript frameworks (e.g., React, Vue, or Angular). Collaborate with cross-functional teams across More ❯

product managers, and fellow developers to design and deliver solutions that drive real impact. In this role, you will: Design and develop backend services and data APIs using Scala, Java, or Kotlin on the JVM. Build intuitive and responsive web interfaces using modern JavaScript frameworks (e.g., React, Vue, or Angular). Collaborate with cross-functional teams across More ❯

development, 5+years of experience with software design and architecture, running large scale distributed systems in production environments. You must have significant commercial experience and a passion for working in: Java Spring Boot Developing and using enterprise APIs Various testing methodologies System design at high scale and commercial experience with: SQL and NoSQL databases Async processing Cloud native applications Working … in a Continuous Delivery environment Modern observability practices Nice to have Not vital, but you'll have the edge if you also have experience with: Grafana Prometheus Kotlin or a least the willingness to learn it Batch processing data pipelines or have worked in: an eCommerce organisation a shipping/logistics/exports organisation What you bring Agile More ❯

We are seeking a highly skilled Senior Software Engineer with strong expertise in Java and Kotlin to join our global investment bank as we embark on a major technology transformation program. This is a unique opportunity to work at the heart of a modernization initiative that will reshape our core platforms, enhance system resilience, and enable scalable … innovation. Key Responsibilities: Design, develop, and maintain robust, scalable backend services using Java and Kotlin Apply Test Driven Development (TDD) principles to ensure high code quality and test coverage Collaborate with cross-functional teams to shape system architecture and drive engineering excellence Translate complex technical concepts for both technical and non-technical stakeholders Contribute to ideation sessions … reviews, and planning discussions to solve real business problems Engage in continuous integration and deployment processes, contributing to DevOps practices as needed Qualifications: 5+ years of professional experience in Java development Proven commercial experience with Kotlin in production environments Familiarity with Docker , Kubernetes , or other DevOps tools is a plus Strong understanding of software engineering principles, design More ❯

Kotlin Engineer - Contract Looking for Java/Kotlin Engineers to work on a large scale, finance project for 12 months. Candidates must have 1-2+ years commercial Kotlin experience (Backend) Stack - Java/Kotlin, TDD/XP, AWS, Kafka. £600 - £650 per day Outside IR35 2 days a week More ❯