Requirements 2.1 or first class STEM degree AAB at A Level (or equivalent) Skills Proficiency in either TypeScript or React is a must. Familiarity with JavaScript, Vue, Node, Yarn, Kotlin, and Swift would be beneficial. Qualities I value strong problem-solving abilities and a natural inclination to quickly pick up. Technologies React Security Swift Java Python Opportunity This position More ❯
in progress) Responsibilities Come up with diverse solutions for coding challenges. Evaluate code quality produced by AI models for correctness and performance. Technologies AI JavaScript Python C# CSS Java Kotlin React SQL Swift TypeScript More We are seeking proficient programmers to join our team and assist in training our AI chatbots to code. #J-18808-Ljbffr More ❯
DICE’s product, which takes card payments, scans tickets and helps fans get into the venue faster and have the best on-the-night experience. Our app is in Kotlin following the design pattern MVVM + Clean Architecture principles and modularised by product features. We use Coroutines heavily, Jetpack libraries (Room, WorkManager, Compose), Retrofit and Dagger2 for dependency injection. … need Experience building and iterating on at least one app in the Google Play Store is a plus. To be comfortable working on a large and modular code base. Kotlin or Java knowledge. Knowledge of project management tools such as JIRA, TestRails, Bitrise, Slack, Figma, Notion etc. The ability to work in an ad-hoc environment. About DICE Our More ❯
Brighton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
to complex technical challenges and continuously improve the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Cloud Platforms: AWS or GCP 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 orchestration (Kubernetes). Experience in More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
to complex technical challenges and continuously improve the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Cloud Platforms: AWS or GCP 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 orchestration (Kubernetes). Experience in More ❯
Reading, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
to complex technical challenges and continuously improve the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Cloud Platforms: AWS or GCP 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 orchestration (Kubernetes). Experience in More ❯
Telford, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
scratch Work closely with product + design Shape architecture and ship new features Build something that genuinely helps people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
years we set out to develop our own GPS rover solution. With the successful launch and continued growth of our SiteBoss rover we are looking to add an experienced Kotlin/Java based Android App Developer. This contracted position will have a base salary with a performance bonus contingent on experience and assuming salable and on-time results. In … issues given by the company. Office Hours are from 7:00AM to 4:00PM. Qualifications (samples of work with former employer references required prior to interview): Preferred experience in Kotlin or Java, and preferred knowledge of at least one backend language (PHP or Javascript is a plus). Experience with Docker or other container orchestration platforms is a plus. More ❯
Crawley, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
to complex technical challenges and continuously improve the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Cloud Platforms: AWS or GCP 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 orchestration (Kubernetes). Experience in More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
to complex technical challenges and continuously improve the product and systems. Stay up to date with emerging technologies and apply them to build future-proof, efficient systems. Primary language: Kotlin (experience with Java, Go, or similar multithreaded backend languages is welcome) Cloud Platforms: AWS or GCP 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 orchestration (Kubernetes). Experience in More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain Ventures
have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems. You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices. You are customer focused and continuously suggest how the backend can provide the best Customer Experience. … You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring. Preferably exposure to technologies such as Kafka, PostgreSQL, Redis. We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more. A passion for crypto and the transformations it enables. COMPENSATION & PERKS Full-time salary based on experience and meaningful equity in More ❯
Warrington, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Work closely with product and design teams Shape architecture and ship new features Build solutions that genuinely help people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
you will work at both the system and component levels. Your responsibilities will include acting as the technical authority for relevant software applications, developing applications using React, TypeScript, and Kotlin, and engaging with key project customer stakeholders. Skills & Experience Essential Professional work experience in a similar role Previous experience working as part of an Agile team Good understanding of More ❯
Hounslow, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
Collaborate closely with product and design teams Shape architecture and develop new features Create solutions that genuinely help people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
Slough, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
to design, build, and launch products from conception to launch. This involves working across the entire stack — from front-end (written in React/TypeScript), back-end (written in Kotlin and Python), machine learning (agentic workflows, entity matching), to infrastructure (AWS, Docker). Working at a startup so early, it's common to kick off a feature on Monday … Portugal, the Netherlands, and more. Qualifications Minimum 3 years of experience as a software engineer. 2+ years of experience withReact/TypeScriptand an Object-Oriented Programming Language (Java, Scala,Kotlin, C#, C++). Proven experience in building and shipping software, involving collaboration with other engineers, designers, product managers, and users to identify and implement solutions based on customer needs. More ❯
Wolverhampton, England, United Kingdom Hybrid / WFH Options
JR United Kingdom
scratch Work closely with product + design Shape architecture and ship new features Build something that genuinely helps people What we’re looking for: Strong experience in Swift and Kotlin/Java #J-18808-Ljbffr More ❯
on our team culture, processes and norms. Taptap Send is a cross-platform mobile app developed with React Native and TypeScript, which talks to a backend service written in Kotlin and backed by a PostgreSQL database, all of which runs on AWS and is managed via Terraform and Ansible. This is a backend-focused role, but you will have … with product team to regularly ship working features. Work in an iterative fashion. Evaluate and deliver timeline estimates. Requirements: 7+ years of professional experience building backend systems. Proficiency with Kotlin or Java/JVM. Proficiency with PostgreSQL. Experience with AWS: S3, SQS, SNS, Lambda, etc. Experience implementing and managing elaborate integrations with third-party APIs. Experience working on systems More ❯
top of industry trends and Android advancements and adopt the latest best practices. What We’re Looking For: At least 4 years experience as an Android Developer. Expertise in Kotlin and Jetpack Compose . Please submit your CV to find out more. More ❯
top of industry trends and Android advancements and adopt the latest best practices. What We’re Looking For: At least 4 years experience as an Android Developer. Expertise in Kotlin and Jetpack Compose . Please submit your CV to find out more. More ❯
London, England, United Kingdom Hybrid / WFH Options
Pleo
are looking for experienced Backend Engineers to join one of our cross-functional product teams. As a Senior, we trust you to be an expert in server-side languages. Kotlin is 90%+ of our micro-services, so proficiency here is hugely beneficial. Beyond writing excellent, well-tested, maintainable code, you also practice the other aspects of being a … product. And finally, we want to enjoy what we do and who we are working with because duh. You know your way around Server-side languages (we mostly use Kotlin, with few services in TypeScript) Cloud environments/distributed systems/microservices (AWS, Google Cloud, Kubernetes) Relational databases (e.g. PostgreSQL) Testing frameworks (Cypress, JUnit, Testcontainers) Observability and monitoring (Datadog More ❯
top of industry trends and Android advancements and adopt the latest best practices. What We’re Looking For: At least 4 years experience as an Android Developer. Expertise in Kotlin and Jetpack Compose . Please submit your CV to find out more. More ❯
something awesome, together, today. About the role and team: Our iOS and Android teams work simultaneously to bring similar but distinct experiences to our clients. Our Android developers use Kotlin, Coroutines and the latest Jetpack libraries. As we continue we're always looking to find and adopt the best tools for the job - whether that's making our CI … s within our project teams or in the wider mobile community. What you'll be doing: Developing mobile apps with a focus on readable, maintainable and tested code using Kotlin, Coroutines and modern android development practices Creating modern adaptable user experiences with Jetpack Compose Collaborating with designers, product owners, testers and clients to deliver great products as an agile More ❯
London, England, United Kingdom Hybrid / WFH Options
Ameba
to design, build, and launch products from conception to launch. This involves working across the entire stack — from front-end (written in React/TypeScript), back-end (written in Kotlin and Python), machine learning (agentic workflows, entity matching), to infrastructure (AWS, Docker). Working at a startup so early, it's common to kick off a feature on Monday … Netherlands, and more. Qualifications Minimum 3 years of experience as a software engineer. 2+ years of experience with React/TypeScript and an Object-Oriented Programming Language (Java, Scala, Kotlin , C#, C++). Proven experience in building and shipping software, involving collaboration with other engineers, designers, product managers, and users to identify and implement solutions based on customer needs. More ❯
will be excited by the opportunity to build new things. You will have many examples of successfully delivering complex enterprise software projects. We use technologies such as C++, Java, Kotlin, Kubernetes, Kafka, ElasticSearch and AWS. You’ll be comfortable using some of these to research and prototype new approaches. Natural collaborator . It takes a village to do anything … Demonstrated history of having delivered multiple large-scale Internet products Strong record of collaborative behaviour, mentoring and cross-functional work Strong knowledge of JVM languages such as Java or Kotlin, or C++ Preferred Qualifications Bachelor’s degree in Computer Science or similar Deep experience with developing and maintaining large-scale distributed production systems Familiar with Docker, Kubernetes and cloud More ❯
London, England, United Kingdom Hybrid / WFH Options
Blockchain.com
have at least 7 years experience building and shipping highly-available, fault tolerant, production ready distributed backend systems You have experience in any JVM based languages (such as Java, Kotlin, Scala) and are confident in your ability to build, debug and ship microservices You are customer focused and continuously suggest how the backend can provide the best Customer Experience … You pride yourself on consistent high levels of test coverage, strong technical documentation and effective monitoring Preferably exposure to technologies such as Kafka, PostgreSQL, Redis We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more Have a basic understanding of reactive systems using CQRS and event sourcing. A bonus would be experience using Akka. A passion More ❯