126 to 134 of 134 Kotlin Jobs

Backend Engineer (Java/Kotlin/Spring Boot) Must have Java, Kotlin, Spring Boot and startup experience. Unfortunately sponsorship is not available. London Hybrid (1 day per week in the office) We're partnering with a fast-growing, venture-backed SaaS company that is scaling its engineering team … building high-quality products with real ownership and impact. Essential Requirements To be considered, you must have: Commercial experience with Java Commercial experience with Kotlin Strong experience building applications with Spring Boot Previous experience working in a startup, scale-up, founding team or stealth startup environment These ...

Senior Scala/Kotlin Engineer 6-12 months Hybrid - London (2-3 days per week on site) Paying up to £600 per day (Inside IR35) Overview We are supporting a global tier 1 bank on the hire of a Scala/Kotlin Engineer to join a high-performing … delivery of complex features end-to-end Core Requirements Strong experience as a senior backend engineer Proven hands-on experience with: o Scala OR Kotlin (either is acceptable) Strong understanding of: o Type systems o Concurrency o Functional and/or object-oriented programming Experience building distributed backend systems ...

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 ...

Equity Derivatives front office. You’ll lead and inspire a high-performing, globally distributed engineering team, while staying hands on with solution design and Kotlin development. You’ll set the standard by leading from the front bringing proven experience building, deploying and supporting large-scale EQD pre-trade platforms … performing, globally distributed engineering team, with a strong focus on mentoring and coaching. \n Stay hands-on with architecture and design, and contribute through Kotlin coding and code reviews where it adds most value. \n Drive transformation and modernisation across the pre-trade platform, improving scalability, resilience and time ...

Equity Derivatives front office. You’ll lead and inspire a high-performing, globally distributed engineering team, while staying hands on with solution design and Kotlin development. You’ll set the standard by leading from the front bringing proven experience building, deploying and supporting large-scale EQD pre-trade platforms … ahigh-performing, globally distributed engineering team, with a strong focus on mentoring and coaching.\ NStay hands-on with architecture and design, and contribute through Kotlin coding and code reviews where it adds most value.\ NDrive transformationand modernisation across the pre-trade platform, improving scalability, resilience and time-to-market. ...

management role for a builder-leader. You will lead a team of strong staff and senior engineers through a critical transition: evolving from a Kotlin-first SDK to a hybrid architecture that makes Python a first-class citizen for agentic development. You will own delivery of the platform roadmap … drive decisions. Own the team's cost and resourcing decisions: LLM spend, infrastructure costs, headcount. For more context, our tech stack currently includes AWS, Kotlin, Python, Kubernetes. LiteLLM, BrainTrust, Temporal, LLM APIs and more. You do not need to be an expert across all of these, but need enough ...

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 ...

digital advertising campaigns Design and refine bidding algorithms in auction-based environments Build prototypes in Python and support their transition into production systems using Kotlin within AWS Work with large-scale datasets from advertising platforms and external sources such as demographic and behavioural data Collaborate closely with data engineers … production environments Advanced Python skills and experience with machine learning frameworks Understanding of working with large and complex datasets Experience or exposure to Kotlin, Java, or Scala, or a willingness to work with these technologies Familiarity with cloud environments and scalable data processing, such as PySpark Background in advertising ...

digital advertising campaigns Design and refine bidding algorithms within auction-based environments Build prototypes in Python and partner with engineering to productionise models in Kotlin within AWS Work with large-scale datasets from advertising platforms and external data sources Act as the subject matter expert for data science, supporting … datasets and feature engineering techniques Understanding of auction-based modelling, pricing optimisation, or bidding systems Exposure to production environments and willingness to work with Kotlin Background in AdTech, marketing analytics, or similar data-rich domains is advantageous Experience with distributed data processing tools such as PySpark is beneficial What ...