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 ❯
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 ❯
to demonstrate a deep understanding of user needs and contributing to the overall product vision. Our tech stack is diverse, encompassing (but not limited to) Python, Go, Java/Kotlin, TypeScript, React, Kubernetes, Mongo, and Generative AI features requiring adaptability and a willingness to learn. Responsibilities: Work with a wide variety of Citi teams (not limited to Technology) and … in teams and remotely Experience: Proven experience as an Engineering Lead, Software Engineering Manager, or similar role Strong expertise in multiple programming languages (preferably Python, Go, Java/SpringBoot, Kotlin and TypeScript), frameworks, and tools Strong understanding of both SQL and NoSQL databases Proven experience with distributed systems, event-driven architectures, container-based micro-services, distributed logs, SQL and More ❯
the company. Mentor and provide technical guidance to other team members. Do you have the right ingredients ? (Requirements) Driven by impact and solving for the customer Strong experience with Kotlin, Java or another object-oriented language Proven track record of delivering reliable services within a distributed architecture to production. Ability to break down complex problems and communicate solutions clearly … throughout cross-functional teams. Values personal and team growth, balancing task completion with platform stability. What we use to make our dish: (Our Tech Stack) A core of Java & Kotlin based backend services. React SPAs leveraging Tailwind, GraphQL and Storybook. Android app built in Java & Kotlin running in the restaurant. PostgreSQL , Dynamodb and OpenSearch for persistence. Pulsar, Camel More ❯
Senior Android Engineer - Join a scaling InsurTech Up to £80,000 Hybrid Working - London CC based office Kotlin We're currently partnered with a scaling InsurTech - one of the UK's most exciting scale-ups - as they are now looking for a Senior Android Engineer to join their growing team. They are now entering a new growth phase and … and participate in code review What are they looking for: Experience within Android development Good understanding of software architecture, design patterns and best practices Experience in app development using Kotlin, Jetpack Libraries, Jetpack Compose Knowledge in building SDKs that are scalable and user-friendly If this sounds like a great opportunity for you and you'd like to learn More ❯
Cambridge, Cambridgeshire, United Kingdom Hybrid / WFH Options
Certus Sales Recruitment
the architecture and technical direction of a platform that supports billions of transactions worldwide. The ideal candidate will bring deep backend engineering expertise, particularly within the JVM ecosystem (Java, Kotlin, or Go), although experienced engineers from a Microsoft stack background (C#/.Net) will also be considered. Key Responsibilities: Lead the design and development of scalable, distributed systems handling … and support the growth of other engineers in the team. Candidate Profile: Proven experience building and scaling backend systems in production environments. Deep knowledge of the JVM stack (Java, Kotlin, Go), or strong C#/.Net experience with a willingness to adapt. Experience leading technical design and architecture in cross-functional teams. Comfortable working in fast-paced, product-driven More ❯
problems, contributing to an architectural vision that will scale up to be the world's leading research platform. Ship working code: Work primarily with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We are open to assessing new technologies that might improve our stack. Deploy and … a similar level in a mature Engineering team: We're looking for people with potential to grow further. Technical expertise: Proficiency in at least one programming language (we use Kotlin and some Ruby), and ideally experience with relational databases. Proven impact: Demonstrable contributions in previous roles, standing out among peers. Highly driven, proactive, and independent in overcoming hurdles and More ❯
contributing to an architectural vision that will scale up to be the world's leading research platform. Ship working code: We primarily work with React on the frontend and Kotlin microservices with Postgres on the backend, with some older services written in Ruby on Rails. We've always got an eye open to assess new technologies that might improve … a mature Engineering team , and looking to take your career to the next level. We're looking for people who have incredible potential. T echnical expertise with Java or Kotlin, and ideally experience with relational databases. Proven track record - You've made a demonstrable impact in your previous roles, standing out from your peers. Highly driven and proactive - you More ❯
Manchester, Lancashire, United Kingdom Hybrid / WFH Options
Redline Group Ltd
Lead Android Developer - Connected Devices Redline Group is recruiting on behalf of a leading electronics technology company. We are seeking Lead Android Developers to join their growing team, with the role based in Manchester one day per week as part More ❯
at least 3 - 5+ 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 We use Kotlin, PostgreSQL, Kafka, Redis, Datadog, Amplitude, Grafana, BigQuery, ApacheSpark and more A passion for crypto and the transformations it enables NICE TO HAVE SardineAI or Sift experience Working with Data science and Analysts Understanding of fraud models and workflows COMPENSATION & PERKS More ❯
Edinburgh, Scotland, United Kingdom; London, England, United Kingdom Location: London or Edinburgh Hybrid: 2 days a week in office Role Overview The Platform Design Lead will collaborate across disciplines to enhance the scalability, usability, and consistency of ClearScore's design More ❯
management. Working on multiple integrations with payment, accounting and other providers to make sure we can provide the easiest process for clients. What you'll need We primarily utilise Kotlin on the server side, so while we do not mandate proficiency specifically in Kotlin, readiness to work with it is essential. Experience with relational databases. Working knowledge of … open source projects, demonstrating your dedication to collaborative development and community engagement. We look forward to exploring your GitHub profile with genuine curiosity. Proficient in JVM-based languages, particularly Kotlin, for server-side development. Have hands-on experience with Kubernetes and Terraform. Have experience with advanced Postgres features like GIST indexes, partitioning and replication. Benefits Competitive salary and stock More ❯
Engineer to join our tech team in London. This role involves deep focus on native mobile technologies as well as exposure to cross-platform mobile technologies such as Flutter, Kotlin MultiPlatform, React Native and MAUI. There is a substantial element of R&D to this role, which will involve developing both proof-of-concepts and production-quality code. What … security Image/video manipulation: Camera APIs (iOS AVFoundation) Metal (or OpenGL) Image processing (e.g. iOS Vision/CoreImage) Hardware video encoding (iOS VideoToolbox) Cross-platform technologies like Flutter, Kotlin MultiPlatform, React Native or MAUI Our Culture & Recruitment Process At iProov, we're incredibly proud of the culture we've carefully curated. Our culture enables diverse thought, curiosity and More ❯