351 to 375 of 481 Kotlin Jobs

Senior Software Engineer

Hiring Organisation
Apex Systems
Location
City of London, London, United Kingdom
Software Development Engineer II Location – London, UK Type : Onsite – 5 days per week Duration : 12 Months Start Date : ASAP Requirements: Top Must-Haves: Java, Kotlin and TypeScript Job Description: We are hiring an L5 Software Development Engineer (contractor) in London to join the Prime Video Edge Platform team. … Efficiency and maintaining availability and security Participate in on-call rotations and operational excellence practices Basic Qualifications Professional software development experience Proficiency with Java, Kotlin and TypeScript Experience designing and building distributed systems or backend services Experience with cloud infrastructure (AWS — e.g., Ec2, NLB, ElastiCache, Lambda, DynamoDB) Experience with ...

Senior Software Engineering Manager (Active Savings)

Hiring Organisation
Jobleads-UK
Location
Bristol, England, United Kingdom
collaboration, and promote psychological safety to help teams navigate change. Hands-on knowledge of secure API design, authentication services, and mobile development (Swift/Kotlin, React Native). Knowledge and experience of modern DevOps tools and practices. Exposure to Figma and Vercel is a great plus. Experience leading engineering … reputable university is highly desirable. Tech Stack Java/Springboot/Gradle/HTML/GraphQL/Oracle/MyBatis/Swift/Kotlin Cucumber/Selenium/RestAssured/Jenkins Linux/Windows/AWS/Terraform IaC/Kubernetes Interview Process This will be a 3-stage ...

Senior Principal Software Engineer (Java)

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
intelligent rate‐limiting, and solving complex concurrency challenges (e.g., database locks and connection starvation). Deliver thought leadership and coding excellence across Java/Kotlin, ensuring seamless integration between backend microservices and UI components (including resolving complex CORS and distributed edge proxy requirements). Mentor and elevate engineers across … agentic programming patterns and LLM‐assisted workflows—to accelerate platform engineering and developer velocity. Deep expertise in backend JVM languages (Java and/or Kotlin) with a strong understanding of distributed systems internals. Proven track record of delivering API‐first infrastructures, API Gateways (e.g., Traefik), and edge routing solutions ...

Senior Software Engineer - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
backend architecture. You’ll tackle our most complex technical challenges and set the standards for how we solve them. Our services run on Kotlin with Spring Boot, and you’ll have significant influence over architectural patterns and how we approach infrastructure problems. Build for the next phase of growth. … collaborate and build. Tech stack We hire for ability, not a specific tech stack. Most of the team learned our stack here: Backend: Kotlin (modular monolith using Http4k, Spring Boot, Exposed, Result4k) Storage: Postgres, BigQuery Async messaging: Google Cloud Pub/Sub Infrastructure: Google Cloud, Terraform Frontend: TypeScript, React ...

Backend Software Engineer (Staff/Principal)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
felt as you mentor colleagues, meeting deadlines through effective planning, prioritization, and accurate estimates. Knowledge of backend technologies such as a JVM language like Kotlin, Node.js, GraphQL allows you to build and debug reliable, maintainable, and extensible applications from browser to database. Your proficiency extends to databases, distributed computing … years Demonstrate a strong understanding of software design principles, patterns, and best practices Expertise in one or more programming languages, such as Java, Kotlin, Rust, C++, etc Expertise in backend development for data‐intensive applications Experience working with databases such as Postgres or MySQL Excellent problem‐solving and analytical ...

Lead Site Reliability Engineer

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 80 K
mortem leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions.Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation.Lead the design and rollout of modern SRE patterns across trading systems, including automated … implementing observability frameworks for mission critical systems.Proven ability to lead incident response and drive long term remediation.Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production grade code. Experience with microservices, distributed systems, and event driven architectures.Strong understanding of CI/CD pipelines, automated testing ...

Principal Software Engineer - Full Stack - AI

Hiring Organisation
Jobleads-UK
Location
Manchester, England, United Kingdom
Drive best practices across our full stack, guiding the development of responsive frontend applications (React/TypeScript) and robust, scalable backend services (Python, Java, Kotlin, or Node.js). LLM Observability & Reliability: Establish robust LLM observability, evaluations, and caching, implementing latency optimisations and comprehensive monitoring (logging, usage tracking, agent behaviour … production environments. Full‐Stack Expertise: High proficiency in modern frontend frameworks (specifically React and TypeScript) and robust backend development languages (Python, Java/Kotlin, or Node.js). GenAI & MCP Knowledge: Deep understanding of LLM APIs, prompt engineering, agentic/multi‐agent architectures, and building/consuming Model Context Protocol ...

Lead Site Reliability Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
leadership. Work as a core member of the software engineering team, participating in daily standups and design discussions. Contribute directly to the codebase (Java, Kotlin, Python) to implement reliability improvements, performance optimisations, bug fixes, and automation. Lead the design and rollout of modern SRE patterns across trading systems, including … observability frameworks for mission critical systems. Proven ability to lead incident response and drive long term remediation. Solid programming skills in Python, Java, or Kotlin, with the ability to contribute production grade code. Experience with microservices, distributed systems, and event driven architectures. Strong understanding of CI/CD pipelines ...

Principal Software Engineer - Full Stack - AI

Hiring Organisation
Anaplan
Location
York, North Yorkshire, United Kingdom
Salary
£ 70 K
Drive best practices across our full stack, guiding the development of responsive frontend applications (React/TypeScript) and robust, scalable backend services (Python, Java, Kotlin, or Node.js).LLM Observability & Reliability: Establish robust LLM observability, evaluations, and caching, implementing latency optimisations and comprehensive monitoring (logging, usage tracking, agent behaviour).Operational … features in production environments.Full-Stack Expertise: High proficiency in modern frontend frameworks (specifically React and TypeScript) and robust backend development languages (Python, Java/Kotlin, or Node.js).GenAI & MCP Knowledge: Deep understanding of LLM APIs, prompt engineering, agentic/multi-agent architectures, and building/consuming Model Context Protocol ...

Senior Product Security Engineer

Hiring Organisation
Blockchain
Location
London, United Kingdom
Salary
£ 80 K
secure coding patterns, and provide pragmatic remediation guidance.Advanced Code Auditing: Conduct deep-dive manual and automated code reviews on highly sensitive Java and Kotlin backend Pull Requests.Security Debt & Remediation Negotiation: Produce data-driven Security Debt packs and negotiate remediation into engineering roadmaps. You will negotiate remediation timelines with Product … GHAS, Snyk, or similar. You should be intimately familiar with the SARIF ecosystem and ASPM workflows.Expert-level ability to audit and propose fixes in Kotlin/Java, TypeScript/JS, Python, and familiarity with containerised deployments (Kubernetes).Strong threat modeling experience and pragmatic architecture guidance for high-stakes financial ...

Sr. Software Engineer - Data Query Platform - London (Hybrid)

Hiring Organisation
CrowdStrike
Location
London, United Kingdom
Salary
£ 80 K
As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that drive modern organizations. Since 2011, our mission hasn’t changed — we’re here to stop breaches, and we’ve redefined modern ...

Sr. Software Engineer - Data Query Platform - London (Hybrid)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
## Sr. Software Engineer - Data Query Platform - (London, Hybrid)Applylocations: United Kingdom - Londontime type: Full timeposted on: Posted Todayjob requisition id: R26425As a global leader in cybersecurity, CrowdStrike protects the people, processes and technologies that ...

Kotlin Engineer Contractor (GenieConnect)

Hiring Organisation
Jobleads-UK
Location
United Kingdom
Address United Kingdom Schedule Full time Job Type Contract freelancer Highlights Experience with Kotlin Multiplatform (KMP) Strategic instinct to think about platform future, not just current tasks Description Cera is the UK’s largest HealthTech company and one of Europe’s fastest-growing businesses – harnessing preventative technology … medication compliance and around 10 hours of care saved per person per week. We’re a small enabled team shipping a full-stack Kotlin platform (backend, web portal, Android robot app). We want someone who’s comfortable with ambiguity, opinionated about quality, and motivated by shipping things that ...

Backend Software Engineer Java Kotlin AWS

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
Backend Software Engineer/Developer (Java Kotlin AWS API) Hybrid WFH to 120kWould you like to progress your career in an impactful hands-on Backend Software Engineer role working on Tech for Good You could be joining a HealthTech Start-up, founded by two highly successful, Cambridge University educated … with the CTO on the overall design and architecture of the products' tech stack, working on Greenfield applications. The tech stack is based on Kotlin, SpringBoot and AWS backend with TypeScript, React and Next.js on the front end.You'll be hands-on with architecture, design and coding, including complex ...

Full Stack Engineer (Kotlin and/or Python) – VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
additional information, please review .**Full Stack Engineer (Kotlin and/or Python) – VP**Engineer the future of global finance. At Citi, our Tech team doesn’t just support finance – we are helping to redefine it. Every day, $5 trillion crosses through our network. We do business in 180+ … aspirations.**Technology Skills Desired:*** **Backend Expertise** (Mandatory for Backend Role, Highly Desired for Full Stack): + Strong proficiency in modern backend languages such as Kotlin and/or Python. + Extensive experience with microservices architecture and developing scalable, resilient services. + Demonstrated experience deploying and managing applications within containerization ...

Senior Android Developer Kotlin MVVM CI/CD BPSS

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Technopride Ltd in London, United Kingdom, is seeking an experienced Android Developer with strong Kotlin expertise to deliver modern mobile solutions. The role requires 5+ years hands-on Android development, MVVM, SOLID, UI/UX guidelines, and a DevOps mindset with CI/CD experience. Eligibility for BPSS clearance ...

Java/Kotlin Software Engineer - London

Hiring Organisation
Zopa
Location
London, United Kingdom
Salary
£ 80 K
services end-to-end, from conception to production monitoringCollaborate directly with product, design and data experts to shape solutionsYour toolkit:You'll work with Kotlin, Kafka, Kubernetes, Docker, AWS Aurora Postgres, and other modern technologies. If you haven't worked with all of these, we value skilled engineers with ...

Full Stack Engineer (Kotlin and/or Python) – VP

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
career aspirations. Technology Skills Desired Backend Expertise (Mandatory for Backend Role, Highly Desired for Full Stack): Strong proficiency in modern backend languages such as Kotlin and/or Python. Extensive experience with microservices architecture and developing scalable, resilient services. Demonstrated experience deploying and managing applications within containerization platforms like ...

Lead Software Engineer - Backend Engineering - Java/Kotlin

Hiring Organisation
JP Morgan Chase
Location
London, United Kingdom
Salary
£ 100 K
adherence to resiliency and security expectations; experience coaching engineers on safe, compliant adoption within delivery practicesTechnologies:We primarily use Jvm based languages (Java/Kotlin) but we also have parts of the platform that use other languages as needed.We look to use Open source when it makes sense ...

Full Stack Engineer

Hiring Organisation
Randstad
Location
London, United Kingdom
Salary
£ 60 K
global investment bank, designing and scaling cloud-native applications within the risk management space. You will drive end-to-end development using modern Java, Kotlin, React, and cloud technologies while working alongside cross-functional engineering teams.Mandatory SkillsCore Tech: Java, Kotlin, React, AWS Lambda, KubernetesKey ResponsibilitiesArchitecture & Development: Build performant … frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API).API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing.Cloud & DevOps: Deploy and maintain cloud-native applications on AWS and Kubernetes ...

Full Stack Engineer

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
global investment bank, designing and scaling cloud-native applications within the risk management space. You will drive end-to-end development using modern Java, Kotlin, React, and cloud technologies while working alongside cross-functional engineering teams. Mandatory Skills Core Tech: Java, Kotlin, React, AWS Lambda, Kubernetes Key Responsibilities … Architecture & Development: Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API). API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing. Cloud & DevOps: Deploy and maintain cloud ...

Java + CloudNative

Hiring Organisation
Randstad Technologies Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£65000 - £70000/annum
global investment bank, designing and scaling cloud-native applications within the risk management space. You will drive end-to-end development using modern Java, Kotlin, React, and cloud technologies while working alongside cross-functional engineering teams. Mandatory Skills Core Tech: Java, Kotlin, React, AWS Lambda, Kubernetes Key Responsibilities … Architecture & Development: Build performant frontend and backend systems using Java, Kotlin, ReactJS, and modern state management tools (Redux/Context API). API & Event Integration: Design RESTful APIs, gRPC services, and event-driven architectures leveraging Kafka and Flink for real-time data processing. Cloud & DevOps: Deploy and maintain cloud ...

AI Engineer - London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
revenue-critical infrastructure - on-call matters here. Tech stack We hire for ability, not a specific tech stack. Most of the team learned Kotlin here: Backend: Kotlin (modular monolith using Http4k, Spring Boot, Exposed, Result4k). Storage: Postgres, BigQuery. AI Platform: Vertex AI, Langsmith, more to come here. ...

Software Engineer (Mobile)

Hiring Organisation
Set2Recruit
Location
Devon, South West, United Kingdom
Employment Type
Permanent
Salary
£55,000
mobile side of the platform, working alongside the wider engineering team to design and build features used daily by customers across the UK. Kotlin is the core requirement, with scope to work across Android and, potentially, iOS as the product roadmap develops. What You'll Be Doing Design, build … maintain features within a live Kotlin-based mobile product Collaborate with product and engineering on roadmap and technical decisions Write clean, well-tested, maintainable code as part of a wider codebase Integrate the app with backend services and APIs Debug, optimise, and improve performance across releases Participate in code ...

Senior Engineer, Finance Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
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. Our internal tools leverage these technologies in addition … solutions, and much more! Responsibilities Take ownership of development of internal tool solutions Build experiences across the stack using primarily Python, and on occasion Kotlin Write well‐tested, high quality code, with an eye towards generics and re‐use Work closely with design and product teams to regularly ship ...