25 of 25 Kotlin Jobs in the Thames Valley

Principal Engineer (Android)

Hiring Organisation
Paritas Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
focused teams is essential, along with a passion for improving engineering culture and technical delivery. As well as .... Extensive Android development experience using Kotlin, Java, and modern frameworks such as Jetpack Compose Strong grounding in TDD, automated testing, mocking/stubbing, and performance engineering Experience influencing or leading ...

Senior Java Software Engineer

Hiring Organisation
Yaspa
Location
Slough, Berkshire, UK
Employment Type
Full-time
memory model, concurrency, data structures) Spring framework, Spring Boot Maven Knowledge of REST APIs & Microservices MongoDB JUnit and TDD Nice to haves: AWS Kotlin Git Pipelines Javascript, React Redis Knowledge of Linux Key Details Reporting to: CTO Hours: Full time Location London - Hybrid WFH model, x2 days a week ...

Senior Software Engineer - Java/Springboot

Hiring Organisation
Stealth iT Consulting
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
drive real business change. You'll collaborate closely with multidisciplinary teams and gain exposure to a wide variety of technologies, including Java, Spring Boot, Kotlin, Node.js, React, microservices, Docker, CI/CD pipelines, and cloud platforms (AWS/Azure). What We're Looking For Required 5 years commercial ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
continuous experience in a Senior Staff, Principal or Architect capacity. Back-End Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
continuous experience in a Senior Staff, Principal or Architect capacity. Back-End Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
Reading, Berkshire, UK
Employment Type
Full-time
continuous experience in a Senior Staff, Principal or Architect capacity. Back-End Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting ...

Principal Software Engineer

Hiring Organisation
TopTek Talent
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
continuous experience in a Senior Staff, Principal or Architect capacity. Back-End Mastery: Extensive professional background working with the JVM ecosystem (specifically Java or Kotlin). Modern Web & Orchestration: Ideally you will have proficiency in JavaScript frameworks and experience with workflow engines. Cloud-Native Data: Solid experience architecting ...

Senior Software Engineer

Hiring Organisation
Build Circle
Location
Slough, Berkshire, UK
Employment Type
Full-time
success stories. A non-exclusive list of some of the tooling and technology we are currently using: * .NET Core 3.1, Node.js, Python, Java/Kotlin * Kubernetes, Terraform, infrastructure-as-code * Typescript, React, Node, GraphQL, Apollo * AWS: Lambda, ECS, CloudFront, API Gateway, DynamoDB, Aurora, S3, SQS, SNS, Kinesis * Azure, Functions ...

Android Developer

Hiring Organisation
NearTech Search
Location
Slough, Berkshire, UK
Employment Type
Full-time
service to clients Drive continuous improvement and performance To be successful, you'll need to come equipped with: Senior-level experience in Android with Kotlin (6+ years) Strong experience in either enterprise-level or business-critical Android applications (thinking again about security/compliance) Demonstrable knowledge of architectural practices ...

Android Developer

Hiring Organisation
Harvey Nash
Location
Slough, Berkshire, UK
Employment Type
Full-time
Android Engineer – Kotlin, Java, Kotlin Multiplatform Tech4Good (Hybrid, London) £80,000–£95,000 + 10% Bonus 2 Days per Week in London Office A global, mission-driven health tech company is looking for an experienced Android Engineer to help power the next generation of its member-facing mobile … continued growth following its recent Series C, the engineering team is expanding in London to support major product evolution, including a strategic transition to Kotlin Multiplatform (KMP) and Compose Multiplatform (CMP). The Role As an Android Engineer, you'll play a critical role in shaping a high-impact ...

Quality Engineer

Hiring Organisation
La Fosse
Location
Milton Keynes, Buckinghamshire, UK
Employment Type
Full-time
practices Hands-on experience with Test Management tools such as Jira, Firebase, and Crashlytics Familiarity with mobile testing toolkits including XCUITest, Espresso, and Kotlin Ability to write and execute test cases, including regression and exploratory test Nice to haves: Experience with cross-platform automation tools such as Appium Familiarity ...

Site Reliability Engineer

Hiring Organisation
Block MB
Location
Slough, Berkshire, UK
Employment Type
Full-time
cloud engineering. Strong understanding of distributed systems, performance and failure modes, and experience with observability tooling. Comfortable with several languages (e.g. Python, Java, Kotlin, TypeScript) and technologies like Kafka, Flink, Redis and clustered Postgres. Familiarity with networking concepts (routing, load balancing, service‐to‐service communication); bonus points for leading ...

Data Developer - Fixed Income

Hiring Organisation
mthree
Location
Slough, Berkshire, UK
Employment Type
Full-time
learn, and visualisation tools. Experience building production-quality code and deploying models is important. Familiarity with SQL and relational databases required. Experience with Java, Kotlin, or Rust is beneficial Data Science: Solid grounding in statistical analysis, machine learning, and predictive modelling. Experience working with large-scale, time-series ...

Software Engineer

Hiring Organisation
Accelero
Location
Slough, Berkshire, UK
Employment Type
Full-time
principles Experience working in a team-based development environment Nice to Have (Not Required) Experience with any of the following is a big plus: Kotlin Elixir Erlang No boxes to tick. Curiosity counts. Why Apply? Hybrid working (Cheltenham-based) Competitive salary (£50k–£60k) Modern tech stack and engineering-first ...

Product Owner - API

Hiring Organisation
Morson Edge (Technology)
Location
Buckinghamshire, England, United Kingdom
prioritisation, and agile methodologies (Scrum, Kanban). Excellent communication and stakeholder management skills. Technical aptitude with understanding of web and mobile technologies (React, Swift, Kotlin, Flutter). Ability to interpret and work with data models and payloads (JSON, XML) – coding not required, but comprehension essential. Experience working with offshore ...

Technical Lead

Hiring Organisation
Understanding Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
play a key part in shaping architecture, mentoring engineers, and driving best practices across the platform. They're looking for people with experience in: Kotlin (or strong Java engineers willing to transition) AWS or other major cloud platforms Event-driven & microservices architectures Working in modern, product-driven tech environments ...

Contract Android Architect / Lead Engineer - outside IR35

Hiring Organisation
TrueNorth
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
view to recommending changes for new architecture, frameworks, languages for the next iteration. Key skills and experience required: Extensive Android architecture and development (using Kotlin/Java) Working with organisations to review current development and suggesting changes Senior stakeholder management and engagement Ability to lead this on their ...

Contract Android Architect / Lead Engineer - outside IR35

Hiring Organisation
TrueNorth
Location
Reading, Berkshire, UK
Employment Type
Full-time
view to recommending changes for new architecture, frameworks, languages for the next iteration. Key skills and experience required: Extensive Android architecture and development (using Kotlin/Java) Working with organisations to review current development and suggesting changes Senior stakeholder management and engagement Ability to lead this on their ...

Android OS Engineer - AOSP | AR/VR

Hiring Organisation
Principle
Location
Slough, Berkshire, UK
Employment Type
Full-time
looking for 6+ years' software engineering experience Strong background in Android internals, AOSP, frameworks or OS-level development Proficiency in C++ and Java (Kotlin is useful but not essential) Experience building or maintaining system components rather than apps Exposure to embedded, device-level or resource-constrained environments is beneficial ...

Angular App Developer

Hiring Organisation
Eden Rose
Location
Oxford, Oxfordshire, UK
Employment Type
Full-time
standalone components, and optimized change detection Unit testing (Jest, Jasmine/Karma) Cross-platform development: PWA, Capacitor, Electron/Tauri; mobile plugins (Swift/Kotlin) a plus GraphQL & real-time data (Apollo Client, subscriptions, WebSockets, caching strategies) TypeScript, HTML/CSS/SCSS, Tailwind, Git, Nx, accessibility/WCAG ...

Lead Android Engineer

Hiring Organisation
La Fosse
Location
Reading, Berkshire, UK
Employment Type
Full-time
beautiful UI, polished animations & thoughtful interactions Improve performance, stability & product quality Explore AI-powered tools to enhance development What we're looking for: Extensive Kotlin experience (with some Java) White-label experience Deep knowledge of modern Android architecture Proven track record of shipping and maintaining complex apps Exposure ...

Mobile Engineer

Hiring Organisation
Immersum
Location
High Wycombe, Buckinghamshire, UK
Employment Type
Full-time
using your technical insight. Own and optimise the full mobile lifecycle: architecture, modularisation, dependency management, build pipelines, and release automation. Push the limits of Kotlin, Swift, and the underlying SDKs — profiling, tuning, and rethinking architecture where needed. Collaborate cross-functionally with backend, systems, and security engineers to deliver secure … setting technical direction, mentoring others, and influencing long-term product strategy. You Should Have Deep hands-on experience in native mobile development — either Android (Kotlin) or iOS (Swift), ideally both. Proficiency in Swift, with comfort reading or maintaining Objective-C codebases for lower-level integrations. Proven ability to build ...

Senior Mobile Specialist (Android)

Hiring Organisation
Parser
Location
Slough, Berkshire, UK
Employment Type
Full-time
This role offers the opportunity to influence the future of Android engineering for a major, high-traffic consumer application. If you're passionate about Kotlin architecture, mobile scalability, and exploring hybrid delivery models, this role places you at the centre of an ambitious mobile evolution programme. We're seeking … embed directly with engineering teams to accelerate parallel feature development. The Impact You'll Make ● Lead the technical architecture of a large-scale Kotlin-based Android application. ● Evaluate hybrid delivery options, including integrating React Native or WebView-based experiences into native flows. ● Identify architectural simplifications that reduce complexity ...

Lead Software Engineer

Hiring Organisation
Understanding Recruitment
Location
Slough, Berkshire, UK
Employment Type
Full-time
Lead Software Engineer (Kotlin) £110,000 - £130,000 + bonus + excellent Benefits Hybrid - 3 days onsite in Central London (Zone 1) Want to manage a team that builds tech accelerating the move to clean, affordable energy? Enjoy being hands-on and thrive in fast-growing, product-led environments … Design, build and evolve platform architecture across distributed systems. Lead a small squad (technical leadership and people management) Contribute to backend design using Kotlin (or JVM), supporting a polyglot mindset. Collaborate across engineering to improve practices, tooling, and system design. Grow and shape your team Tech & Environment Kotlin ...

Software Engineer (Data) (6 month contract)

Hiring Organisation
Arcus Search
Location
Slough, Berkshire, UK
Employment Type
Full-time
Contract Data Engineer (JVM/Kotlin/Python) 6-month initial contract | Onsite (potential for hybrid) An elite quantitative research and trading firm is looking for a Contract Data Engineer to join a Reference Data Engineering team supporting critical research and trading use cases. This team owns complex financial … ingestion and transformation pipelines • Working across SQL Server, JVM applications, and Spark-based workloads • Contributing improvements to data quality, performance, and maintainability Tech environment • Kotlin & Spring Boot for core data processing services • Python for tooling and automation • Legacy systems in C# and Scala/Spark • Exposure to data lakes ...