376 to 400 of 400 Kotlin Jobs in England

asset classesDesign pricing and risk logic, market data processing, and order handlingOptimise data flow and system throughput under real-time constraintsImplement core components in Kotlin (some C++ and legacy Python/Java)Engineer for reliability—testing, monitoring and rapid fault recoveryWhat You’ll BringSolid command of CS fundamentals—algorithms … architecture, systemsAdvanced experience in Kotlin or Java (Other languages considered C#/F#/C++)Deep familiarity with Linux environments and system-level APIsExperience with high-throughput, low-latency systemsAbility to work independently and review code for correctness and clarityFinance experience not required, but curiosity helpsWhy ApplyHigh-impact team ...

need to be a specialist in everything, but you can't have a lane you refuse to leave. Our stack is Kotlin and React, and this role leans backend. If you're strong on the backend and curious about the rest, that works. You care about data integrity. … specific compliance regimes Background in high-growth startups where everything was still being figured out Our Tech Stack We build on AWS, with a Kotlin backend, a React frontend, and infrastructure managed in Terraform. It's a real production system that global finance teams depend on every day. ...

Taptap Send is seeking a Senior Backend Engineer in London to scale our Kotlin/Java services and data pipelines, supporting remittances across countries. You will own backend integrations, design scalable architectures, and collaborate with Product, Ops, and Support to deliver reliable features on AWS. As an early team … member, you’ll influence culture and processes, working across stack from Kotlin services to PostgreSQL databases, with Terraform/Ansible managed infrastructure and data-driven #J-18808-Ljbffr ...

A tech startup in Greater London seeks a Forward Deployed Software Engineer. This role involves working closely with customers to develop high-impact software solutions rapidly. Ideal candidates have experience in full stack development, particularly ...

Fairygodboss is looking for a Senior Lead Software Engineer (Platform) to set technical direction across squads, ensuring the implementation of robust engineering standards and best practices. The role involves developing secure, high-quality code and ...

United States Digital Space LLC in the United Kingdom is seeking a Senior Software Engineer to join our Core Experiences Team. This role focuses on building foundational services and SDKs that power our product experiences ...

Senior Kotlin Engineer (XP, GCP) – Investment Banking – London/Hybrid Daily rate: £600 - £800 (inside IR35) Duration: 6 months Start: ASAP My client is looking for an experienced Senior Kotlin engineer to support and extend a cloud-hosted platform used for bookbuilding issuances within Investment Banking Capital Markets. … platform in production, using incidents and defects as opportunities to improve system design and resilience Qualifications Strong commercial experience building backend services using Kotlin Experience with event‐sourced and event‐driven architectures Deep familiarity with XP practices, including mob programming as a primary way of working, test‐driven development ...

Salt Digital Recruitment is seeking a Senior Kotlin Engineer in London/Hybrid to support and extend a cloud-hosted platform for Investment Banking. The role emphasizes collaboration in a high-caliber engineering team and follows Extreme Programming practices. The ideal candidate will have strong experience in Kotlin ...

company London is seeking a delivery-focused backend engineer to join our CTO organisation. You will work on scalable server-side services using Kotlin/Java 21, RESTful APIs, and modern tooling, with a focus on automation and SDLC improvements. You will shape architecture, contribute to the technical roadmap ...

catering to an already large user base. Join a diverse team where you'll influence both the product's what and how, using Kotlin, RxJava, and modern development practices. We offer a competitive salary ranging from £78,000 to £110,000 per year, with benefits such as flexible working ...

join the Reach Extension team in Edinburgh, Scotland. The role focuses on front-end work with React and TypeScript and back-end services with Kotlin and AWS, building scalable systems for global advertisers. You will own design, implementation, and operational support across the product lifecycle, collaborating with UX designers ...

delivery of platform capabilities, including the architecture of API gateways and backend engines. The ideal candidate will have extensive experience in Java/Kotlin and cloud technologies, a deep understanding of distributed systems, and a passion for mentoring others to elevate engineering culture. Join us to power the world ...

high-performance trading application using cutting-edge tech in a fast-paced front-office environment. Role focuses on backend development with Java/Kotlin, containerised deployments, and data processing using MongoDB and Databricks. Hybrid London-based work with stakeholder collaboration to drive system design and integration. #J-18808-Ljbffr ...

delivery from concept to production. The role accommodates a hybrid work model with mentorship, continuous learning, and opportunities to influence global markets. Strong backend (Kotlin/Python), microservices, and DevOps expertise are essential. #J-18808-Ljbffr ...

Citibank (Switzerland) AG is seeking a Full Stack Engineer (Kotlin and/or Python) in Greater London. This VP-level role involves designing and developing cutting-edge financial software solutions while collaborating closely with business stakeholders. Candidates should have strong backend experience along with knowledge of frontend frameworks ...

Citi is seeking a Full Stack Engineer (Java or Kotlin or Python) at VP level to join the Strategic Equity Solutions team. Hybrid work opportunities exist, with a strong emphasis on mentorship and continuous learning. You will design and develop high-performance services, collaborate with business stakeholders ...

Senior Full Stack Kotlin Developer Location: Bristol- Hybrid (2 days onsite) Salary: £55,000- £70,000 We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams ...

Senior Full Stack Kotlin Developer Location: Manchester- Hybrid (2 days onsite) Salary: £55,000- £70,000 We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams ...

Senior Full Stack Kotlin Developer Location: Leeds- Hybrid (2 days onsite) Salary: £55,000- £70,000 We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams ...

Senior Full Stack Kotlin Developer Location: Leeds (Hybrid) Salary: ££57,000 - £86,000 A leading digital consultancy is looking for a Senior Full Stack Kotlin Developer to join its growing engineering team, working across complex digital transformation projects for public and private sector clients. The Role Build secure ...

Senior Kotlin Developer UK Wide Hybrid Working Permanent £55,000 - £70,000 + Benefits We're supporting a leading digital consultancy as they continue to grow their engineering function and are looking for an experienced Senior Kotlin Developer to join one of their high-performing delivery teams click ...

Senior Kotlin Developer UK Wide Hybrid Working Permanent £55,000 - £70,000 + Benefits We're supporting a leading digital consultancy as they continue to grow their engineering function and are looking for an experienced Senior Kotlin Developer to join one of their high-performing delivery teams. ...

Citigroup Inc. is looking for a highly skilled Technical Architect to join their CTO organisation in London. This role is centered around the Release on Demand (RoD) platform, which automates release management across the bank. ...

Sequence is seeking a Product Engineer to contribute to its AI-powered revenue platform. You will work on critical features, including AI infrastructure, approval workflows, and intelligent collections agents. The ideal candidate has experience with ...

Senior Full Stack Kotlin Developer Location: Birmingham- Hybrid (2 days onsite) Salary: £55,000- £70,000 We are seeking a Senior Full Stack Kotlin Developer to join a growing digital consultancy delivering transformative digital solutions for a range of Public and Private sector clients. Working within multidisciplinary teams ...