101 to 124 of 124 Kotlin Jobs

Lead Backend Engineer - Assistance

Hiring Organisation
N26 GmbH
Location
Potsdam, Brandenburg, Germany
Employment Type
Permanent
Salary
EUR Annual
seeking a talented Lead Engineer to join our expanding teams and evolve our product, powered by a microservice architecture predominantly written in Java and Kotlin, using Spring Boot. Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy. … without compromising code integrity or security. Technical Stack Modern backend: 5+ years of experience in building complex distributed systems in Java or/and Kotlin and Springboot/Spring AI. API Design: Solid experience designing and implementing robust REST APIs. Data & DevOps: Professional experience with PostgreSQL (performance and scalability ...

Senior Java Software Engineer

Hiring Organisation
Synchro
Location
City of London, London, United Kingdom
systems using modern engineering practices. The environment is data-driven, product-focused, and centred around delivering real value to customers. Tech environment Java/Kotlin (JVM ecosystem) Microservices architecture Cloud-native (AWS/GCP) Spring/Spring Boot Docker & Kubernetes Messaging & streaming technologies Distributed tracing and observability tooling What … downtime releases Collaborating in cross-functional squads and contributing to engineering best practices What we’re looking for Strong backend engineering experience (Java/Kotlin preferred) Experience working with distributed systems and cloud technologies A problem-solving mindset with a focus on quality and ownership Comfortable working in fast ...

Application Developer

Hiring Organisation
Information Tech Consultants
Location
England, United Kingdom
Job Title: Android Developer Location: UK Experience: 2–5 years Education: Bachelors in Science (IT/Computer Science/Engineer) Employment Type: Full-Time Information Tech Consultants Ltd (ITC) is a London-based mobile app ...

REMOTE (UK): Senior Java/Kotlin Developer | Public Sector - SC Eligible

Hiring Organisation
Futureheads
Location
United Kingdom
Employment Type
Contract
Contract Rate
GBP 480 Daily
Senior Java/Kotlin Developers Tech Stack: Java, Spring, Kotlin, Node, AWS 3m initial term with highly likely extension (12m+ projects) Up to £480(I)/day (d.o.e) Public sector client (SC Eligibility Required) REMOTE - UK As part of a long-term partnership, we are seeking multiple Senior … Java/Kotlin Developers for a critical public sector organisation. Consultants are typically employed on an initial 3 month basis but are regularly extended as these longer term projects evolve with fresh avenues, challenges and highly testable features to be delivered at scale. We are looking for Java specialists ...

Senior Android Engineer - Hybrid, £100K

Hiring Organisation
Oliver Bernard
Location
City of London, London, United Kingdom
Senior Android Engineer London (Hybrid — 2 days onsite per week) Kotlin • Compose • Coroutines • Modular Architecture • KMP A high-growth technology business in the data and privacy space is looking for a Senior Android Engineer to join the team building their flagship app. This product helps users understand, control … benefit from their data, and sits at the heart of a rapidly expanding consumer and B2B ecosystem. Their Android app is fully Kotlin-based, heavily modularised, and all new features are built with Jetpack Compose. Coroutines and Flows are used extensively throughout, testing is taken seriously (unit ...

Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
United Kingdom
hiring a Software Engineer to support continued growth and rising demand for its platform. Software Engineer Remote | Up to £60,000 | Java or Kotlin | Spring Boot This is a back-end focused role, ideal for an engineer who enjoys building reliable, scalable applications and wants to work on software … option to attend the Newbury office around once a month if desired. What you will be doing Developing back-end applications using Java or Kotlin Building software with Spring Boot Designing and delivering new features Enhancing existing products and platform capability Working across the full software development lifecycle Supporting ...

Software Engineer

Hiring Organisation
Spectrum IT Recruitment
Location
Newbury, Berkshire, United Kingdom
Employment Type
Permanent
Salary
£50000 - £60000/annum
hiring a Software Engineer to support continued growth and rising demand for its platform. Software Engineer Remote | Up to £60,000 | Java or Kotlin | Spring Boot This is a back-end focused role, ideal for an engineer who enjoys building reliable, scalable applications and wants to work on software … option to attend the Newbury office around once a month if desired. What you will be doing Developing back-end applications using Java or Kotlin Building software with Spring Boot Designing and delivering new features Enhancing existing products and platform capability Working across the full software development lifecycle Supporting ...

Head of Engineering

Hiring Organisation
Arctic Shores
Location
Manchester, North West, United Kingdom
Employment Type
Permanent, Work From Home
experienced Engineering Manager or Tech Lead ready for your first Head of role. Youll thrive here if you: Have a strong JVM background (Scala, Kotlin or Java) particularly using functional programming principles Possess a strong testing mindset with experience in TDD and CI/CD practices. Are experienced with … pragmatically If most of that resonates (even if your path has been unconventional) wed love to hear from you. Our Stack Languages & Frameworks Scala, Kotlin, Typescript, Python Http4s, Http4k, Circe, Cats, Cats-Effect, Doobie, React, Exposed Testing Specs2, ScalaCheck Infrastructure & DevOps AWS (EKS, Lambda, RDS/Postgres, DynamoDB ...

Quality Assurance Automation Engineer

Hiring Organisation
Harnham
Location
London Area, United Kingdom
QA Automation Engineer London - 2 days in the office Up to £60,000 plus benefits This is an exciting opportunity to join a high‐growth technology environment where quality engineering plays a central role. You ...

QA Automation Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £75,000 per annum
QA Automation Engineer London - 2 days in the office Up to £60,000 plus benefits This is an exciting opportunity to join a high-growth technology environment where quality engineering plays a central role. You ...

Android Developer (Kotlin)

Hiring Organisation
Avanti
Location
Southampton, Hampshire, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £65,000 per annum
hire a Mid-Level Android Developer to join their team on a fully remote basis. This is a great opportunity for someone with strong Kotlin experience, who enjoys working on live, production application, improving, maintaining and evolving existing products rather than only building greenfield apps from scratch. The role … hands-on role in the continued development of Android applications, contributing across feature delivery, app improvements, maintenance, and ongoing product support. Essential: Android Development Kotlin Experience building, maintaining and improving production mobile applications Good understanding of modern Android development practices Experience delivering features, bug fixes, updates and ongoing support ...

Senior Mobile Engineer (React Native + Android)

Hiring Organisation
Transreport
Location
City of London, London, United Kingdom
months, you will : Architect and launch the first production version of our new B2B React Native application. Provide reliable senior-level cover for the Kotlin Android codebase. Establish clear migration principles for introducing React Native into an existing native environment. Build trust across Data, Product, and Mobile teams … modern animation libraries. You will define architectural standards and ensure scalability from day one. Maintain & Stabilise - Provide senior-level coverage for the existing Kotlin Android application (Clean Architecture, MVVM). Ensure stability for both staff-facing and passenger-facing applications operating in live rail environments. Strategise Migration - Formulate ...

Senior Android Engineer - DevEx

Hiring Organisation
N26 GmbH
Location
Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
within your cross-functional team to uphold the highest technical standards right across the product What you need to be successful: Deep knowledge of Kotlin Thorough experience with the Android Open Source Platform and Material Design principles Code quality tingles your senses - you can see, feel and smell … difference between good and bad architecture Experience with Model-View-ViewModel architectural patterns Experience with Reactive programming - Kotlin Flows and Coroutines Able to build software with a focus on testability - Test/Behaviour Driven Development, Dependency Injection You have previous experience in managing, optimising and collaborating around CI/ ...

Senior Android Engineer - DevEx

Hiring Organisation
N26 GmbH
Location
Potsdam, Brandenburg, Germany
Employment Type
Permanent
Salary
EUR Annual
within your cross-functional team to uphold the highest technical standards right across the product What you need to be successful: Deep knowledge of Kotlin Thorough experience with the Android Open Source Platform and Material Design principles Code quality tingles your senses - you can see, feel and smell … difference between good and bad architecture Experience with Model-View-ViewModel architectural patterns Experience with Reactive programming - Kotlin Flows and Coroutines Able to build software with a focus on testability - Test/Behaviour Driven Development, Dependency Injection You have previous experience in managing, optimising and collaborating around CI/ ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
City of London, London, United Kingdom
London (2x per week) We are very excited to be continuing our partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they … clean energy for the charging of electric vehicles. In this position, they are looking for experience in: 3+ years commercial experience JVM development - Java, Kotlin or Scala (Bonus) if you have already worked with Kotlin Microservices architecture Public cloud technologies e.g. AWS Have worked in modern, product-focused ...

Senior Mobile Engineer

Hiring Organisation
Proactive Appointments
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 65,000 - 85,000 Annual
hands-on, high-autonomy role where you'll architect a new React Native application from the ground up while stabilising and evolving an existing Kotlin Android app used in live rail environments. If you enjoy working across both greenfield builds and complex Legacy systems , and thrive in environments where … your technical decisions have real-world impact, this role is for you. Skills required: 6+ years of mobile engineering experience Strong Kotlin expertise (Clean Architecture, MVVM, DI, Coroutines/Flow) Proven React Native experience beyond UI (native modules, Bridge/JSI, performance) Experience integrating React Native into an existing ...

Backend Engineer - Customer Risk Lifecycle

Hiring Organisation
N26 GmbH
Location
Berlin, Germany
Employment Type
Permanent
Salary
EUR Annual
Backend Engineer to join our expanding teams in Barcelona and evolve our product, powered by a microservice architecture predominantly written in Java 8 and Kotlin, using Spring Boot. Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy. … need to be successful: Background: Experience in developing software using a JVM language and Spring Boot in Large-scale production systems (note: experience of Kotlin would be a plus) Sound understanding of microservice architecture Knowledge of both relational and non-relational databases, preferably Postgres Skills: Sound understanding of microservice ...

Backend Engineer - Customer Risk Lifecycle

Hiring Organisation
N26 GmbH
Location
Potsdam, Brandenburg, Germany
Employment Type
Permanent
Salary
EUR Annual
Backend Engineer to join our expanding teams in Barcelona and evolve our product, powered by a microservice architecture predominantly written in Java 8 and Kotlin, using Spring Boot. Our cross-functional teams are passionate about collaboration and sharing knowledge, as well as working with a high degree of autonomy. … need to be successful: Background: Experience in developing software using a JVM language and Spring Boot in Large-scale production systems (note: experience of Kotlin would be a plus) Sound understanding of microservice architecture Knowledge of both relational and non-relational databases, preferably Postgres Skills: Sound understanding of microservice ...

Android Engineer

Hiring Organisation
Langham Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90000/annum Remote and flexible working
design solutions that integrate seamlessly into real world transport systems. What you will be doing Design and build advanced Android SDK features using Kotlin and Java Solve complex problems around location, background services and mobile performance Build reliable APIs and tools that other mobile teams integrate into their applications … large scale consumer applications Continuously improve performance, security and reliability across the platform What we are looking for Strong experience building Android applications in Kotlin or Java Experience working on complex mobile systems such as SDKs, frameworks or large scale applications Experience with reactive programming such as RxJava Deep ...

Back End Developer

Hiring Organisation
In Product
Location
City of London, London, United Kingdom
ecosystem , including: Scala (core backend) AKKA framework (with migration toward PEKKO) Gradual migration toward Java/Spring Boot Node.js for integrations and connectors Some Kotlin usage The environment is language-agnostic in mindset. Strong backend fundamentals matter more than experience across every language. You’ll be working on complex … support continued platform and product growth. What We’re Looking For ✅ 5+ years backend engineering experience ✅ Strong JVM ecosystem experience (Java, Scala, or Kotlin) ✅ Strong SQL and relational database experience ✅ Experience working with complex systems and large datasets ✅ Comfortable working in scale-up environments with shifting priorities ✅ Proactive, problem ...

Full Stack Engineer

Hiring Organisation
CBTS
Location
London Area, United Kingdom
Card Company Location: AMEX London Victoria 3 days/week, 2 days/week WFH Years of Exp: 3-9 years Skills: Full Stack, Kotlin (essential), TypeScript (essential), CI/CD, Java £25-£40/hr depending on experience and assessment level, Inside IR35 Visa sponsorship is not available. … Strong fundamentals of Computer Science to scale developments. Excellent communication & interpersonal skills. Creative and a good team worker. Kotlin (or strong Java) & TypeScript mainly – full stack ideally. Fundamentals are very important. Data structures, algorithms & system designs. Online test will be given in the first instance. Successful candidates will ...

Mobile Backend Developer - Kotlin and java - Manchester, UK

Hiring Organisation
Infoplus Technologies UK Ltd
Location
Manchester, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Role:Mobile Backend Developer - Kotlin and java Duration: 6 Months Location: Manchester, UK (3 days Hybrid) The Role Seeking a Senior Application Engineer ( Backend cloud based application development) with deep technical expertise and thought leadership. You will drive strategy for your area of expertise across teams and foster ...

Staff AI Backend Engineer [Java/Kotlin] [EU-ONLY]

Hiring Organisation
Kerno
Location
United Kingdom
system that developers depend on for fast feedback What We're Looking For 8+ years of professional backend development experience, with strong proficiency in Kotlin (or another JVM based language) Experience designing and building distributed systems or complex backend services Comfortable working with multiple languages, we use whatever ...

Backend Engineer (JVM) - Up to £95k

Hiring Organisation
Few&Far
Location
City of London, London, United Kingdom
Make smart build vs buy decisions and own the trade-offs This isn’t a feature factory. You’ll design, build, ship, own. Tech: Kotlin (open to any JVM background), Python, Terraform, Agentic AI, cloud-native, event-driven services If you’ve built fault-tolerant, distributed systems before, tools … matter less than judgement You’ll Have 3+ years building production distributed systems in a startup environment, using backend languages like Java, Kotlin, Scala, Python, C++, Rust or Go Experience designing external-facing APIs and working with messy, unstructured data Shipped AI/LLM systems beyond proof-of-concept ...