76 to 100 of 121 Kotlin Jobs

lookout for a Mobile QA Engineer to come in on a contract basis. Key Skills/Requirements: Testing on Android experience (Kotlin - Espresso) Testing on iOS experience (iOS - Swift) Java experience Experience with tools like Monkey Talk, Selendriod, Appium, Katalon Contract is running until the end of 2026 initially ...

stability Contribute to consistent cross-platform user experiences Profile The Mobile Engineer will have strong experience with iOS (Swift) and/or Android (Kotlin) Experience integrating with GraphQLAPIs Experience building user experiences tied to transactions, pricing, or eCommerce flows is strongly preferred Ability to work in fast-paced, evolving ...

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 ...

Test Lead to own end-to-end testing across a complex, multi-system programme. Key responsibilities: Strong experience working with Java and/or Kotlin in a testing/automation environment Define and drive the overall testing strategy across the programme Establish QA governance, standards, and best practices Lead ...

Job Description TrueNorth are working with a successful tech consultancy that works heavily in the public sector - we're looking for QA Managers for some immediate contract roles. Key skills: Integration Testing – Automated tests in ...

TrueNorth are working with a successful tech consultancy that works heavily in the public sector - we're looking for QA Managers for some immediate contract roles. Key skills: Integration Testing – Automated tests in Kotlin. UI ...

Join a leading independent Banking and services provider as a Kotlin/Java Developer. Job Overview: The role sits within a Developer Experience (DevX) function focused on building and managing platforms that enable software engineering teams to develop, deploy, and operate applications efficiently and consistently.You will work on client … engineering team to continuously improve development processes Participate in peer reviews and contribute to knowledge-sharing initiatives Required Skills & Experience Strong experience in Kotlin or Java with the ability and willingness to work across both where required Experience developing REST APIs and working with frameworks such as Spring Solid ...

plus if you have Experience in retail , e‐commerce , or marketplace platforms Expertise in one or more backend languages (e.g. Go, Kotlin ) Background working with data‐intensive systems , experimentation, or analytics to inform and validate product and technical decisions for B2B/merchant use cases Our Commitment to Diversity ...

Doing Leading the design and delivery of full stack features across backend and frontend systems within a cross-functional squad Building and maintaining Kotlin/Java Spring Boot microservices deployed as containerised applications on Azure Developing modern, accessible user interfaces using React and TypeScript, aligned to shared design systems … junior team members Promoting effective use of AI-assisted development tools to improve speed and code quality responsibly Main Skills Needed Strong experience with Kotlin or Java and Spring Boot microservices in production environments Solid frontend expertise using React and TypeScript with a focus on performance and accessibility Experience ...

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 ...

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 ...

DevX_Kotlin (or Java) Developer SheffieldHybrid - 60% office 40% home Duration: 30/11/2026 Rate £418 MUST BE PAYE THROUGH UMBRELLA Role Description: Required Experience in Kotlin (or significant Java experience with a willingness to learn Kotlin) Experienced in at least two or three … control owners and development teams to manage/view their compliance with a range of software development controls. The candidate would be working on Kotlin and Java-based web applications and APIs. There are 2-3 applications and PoCs we are hiring for. Exact candidate allocation will depend ...

whether that's AI-powered prototyping, agent systems, or orchestration. MCP experience is a plus. Deep expertise in at least one programming language (JavaScript, Kotlin, Swift, or similar). We expect you'll use AI tools to accelerate your work — but there's no substitute for genuine fluency. Creative ...

NPUs and low-level inference optimization. Hands-on experience with on-device AI frameworks (LiteRT LM, ExecuTorch, ONNX GenAI). Skilled in Rust, C++, Kotlin, and/or API technologies. Experience with SLMs, VLMs, or autonomous driving models in production. Knowledge of multi-agent orchestration and open standards ...

full software development life cycle. Your Responsibilities: Lead feature delivery and shape technical strategy Collaborate closely for pixel-perfect implementation Write clean, maintainable Kotlin code with Jetpack Compose Champion TDD, CI/CD, and other best practices Mentor and support fellow engineers What We're Looking For: Proven experience … with Android apps using Kotlin and Jetpack Compose Strong understanding of mobile architecture and design patterns Passion for agile development and quick delivery Comfortable leveraging AI tools to boost productivity Collaborative mindset focused on continuous improvement Rewards & Benefits: 27 days holiday (rising to 30) + bank holidays Bonus scheme ...

description Role-Java & Kotlin Developer Mode-FTE 12 Months Type-3 days from Sheffield RESPONSIBILITIES Collaborate with developers testers and the wider organisation to build and run products Design develop implement backend features as per backlogpriority with a small element of frontend development All apps use a simple … velocity Be an active member of a team participating in peer reviews and in testing others code through automated test scripting SKILLS Experience in Kotlin or Java with willingness to learn Kotlin Experienced in at least two or three of the following API development SQLdatabases HTMLJavascript Lots ...

Required : Experience in Kotlin (or significant Java experience ) Experienced in API development, SQL/databases, HTML/Javascript Excellent writing skills and attention to detail in code Proactive person who will not wait to be told what to do next or be unblocked by others Experience working with standard … active member of a team, participating in peer reviews and in testing others code through automated test scripting Skills Required: Experience in Kotlin (or Java with willingness to learn Kotlin) Experienced in at least two or three of the following: API development, SQL/databases, HTML/Javascript ...

Backend Engineer with deep expertise in JVM technologies to help scale and enhance their high-performance systems. There will be a requirement to use Kotlin moving forwards! This is an opportunity to work with modern architecture, collaborating with top-tier engineers in a fast-moving, product-focused environment. Responsibilities … team Stay curious about the wider engineering landscape and bring relevant insights back to the team Key Requirements Strong commercial experience in Kotlin or JVM technologies for backend development Confidence working with Spring Boot or Kotlin or Java to build robust microservices A passion for creating API-first ...

collaborating closely with Product and Design teams. What you'll be doing Leading technical direction across Android engineering Building scalable mobile applications using Kotlin and Jetpack Compose Driving best practices around architecture, testing, CI/CD, and performance Mentoring engineers and helping shape engineering culture Influencing long-term platform … strategy and technical decision-making What we're looking for Strong Android development experience with Kotlin Experience in a Lead, Staff, Principal, or similar engineering leadership role Strong knowledge of Jetpack Compose and modern Android architecture Experience driving technical decisions across teams Passion for high-quality engineering and mentoring ...

designers and architects to build high‐quality mobile applications. Your responsibilities will include: Designing and contributing to mobile application architecture Developing new features using Kotlin (Java experience beneficial) Collaborating with backend teams and integrating APIs Working closely with designers to deliver intuitive, beautiful interfaces Ensuring performance, scalability, and security … role is ideal for someone who combines technical expertise with strong communication skills and a collaborative mindset. The ideal candidate brings : Strong experience with Kotlin and Android SDK Knowledge of Jetpack libraries: Room, LiveData, ViewModel, WorkManager, Navigation, Compose Familiarity with Material Design and responsive UI principles Experience integrating third ...

with a large user base, contributing to new features, performance improvements, and architectural evolution. 5+ years of professional Android development Strong proficiency in idiomatic Kotlin, including asynchronous coding (coroutines, Deferred, Flow) Proficiency in Java 8+, including multithreading and concurrency Experience with Jetpack Compose, as well as legacy Android … Azure Pipelines or similar Comfortable in a team environment using code review and version control Technology Stack: Android: Java 8+, including multithreading and concurrency Kotlin MVVM Jetpack Compose, as well as legacy Android XML Views Nice to have: MongoDB SQL Experience building KMP modules Familiarity with Android WorkManager Experience ...

Senior Kotlin Engineer Ncounter is supporting a leading organisation within the publishing and media space as they look to strengthen their backend engineering capability. This team is responsible for building and evolving platforms that aggregate, process and distribute large-scale editorial and content datasets, enabling internal teams and external … information in near real time. You will join a highly capable engineering function focused on delivering scalable backend services, working across API development and Kotlin-based microservices that power content ingestion, indexing and distribution workflows. The environment is data intensive, with a strong emphasis on performance, reliability and clean ...

Backend Specialist (Java & Kotlin) Location: London (Hybrid: 2-3 days per week) Type: Full-time/Permanent Experience: 5-7 years We are seeking a high-caliber Backend Specialist with a strong foundation in Java and Kotlin to join our development team in London. In this role … maintainable backend solutions while collaborating with cross-functional teams to deliver high-performance features. Key Responsibilities Develop & Maintain: Build robust applications using Java and Kotlin within a Spring Boot environment. Architect: Design and implement scalable Microservices architectures. Collaborate: Work with Project Leads, BAs, and DevOps to translate requirements into ...

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 ...

with our product and design teams to build and ship high-quality features for our Android application. Code Quality: Write clean, maintainable code in Kotlin (and some legacy Java) while following modern architectural patterns (MVVM/MVI). UI/UX Implementation: Turn Figma designs into pixel-perfect layouts … Bring Experience: 1+ years of professional experience in Android development (internships count if they were high-impact!). Language Proficiency: Strong foundations in Kotlin and a solid understanding of Java. Android SDK: Familiarity with Activities, Fragments, Services, and Lifecycle components. Networking: Experience working with RESTful APIs using Retrofit ...