551 to 575 of 676 Senior Software Engineer Jobs in London

have raised $60M in Series C funding from Wellington Management, CRV, Next47 and Y Combinator. The role We're looking for an outstanding experienced engineer to push our platform to the next level of performance and reliability. You'll join us at a crucial stage of accelerated development … lot. You have personally developed and maintained multiple systems from scratch, and you know what trade-offs are involved in building reliable, performant software at speed You want your work to have a tangible outcome for people. You're not satisfied with building products that ...

part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals. As a Salesforce Engineer at JPM Personal Investing, your responsibilities will include working to help shape the platforms for our Customer Service, Marketing, and Operations teams. You will … technology. By their nature, our people are also solution-oriented, commercially savvy and have a head for fintech. Job responsibilities: As a Salesforce Engineer, you will get involved in developing services such as referrals & promo systems, automation/alerts, email services, custom Lightning & Visualforce pages, developing products across ...

Jobtailor in London is seeking an experienced engineer to understand the product, analyze issues, and deliver code-level solutions that improve business outcomes. You will collaborate with development teams, support go-live phases, and create knowledge base articles to empower customers and teammates. You should have strong Microsoft stack ...

TRIA is seeking a Senior Developer to join a growing fintech team building a brand-new cloud-native trading platform. You will work in a highly collaborative global engineering function to design, develop and deliver advanced features using AWS, Terraform and .NET. The role provides significant influence over architecture ...

partial writes Mentor others and write designs that teams across time zones can implement from What we're looking for: 5+ years building production software (8+ for Staff). Strong CS fundamentals. Depth in at least one of: Java/Spring Boot, modern TypeScript, or Python services. Willingness … dedication to excellence is why we’ve been recognized as a Best Place to Work by Built In (2023–2026), a G2 Best Global Software Company (2025–2026), Forbes Cloud 100 (2022–2025), and CNBC Disruptor 50 (2022–2025). At Navan, we provide an environment where top talent ...

full project team (including BAs, QAs and members of the client team) to provide the best solutions to our clients Identifying bottlenecks in the software delivery process and removing any roadblocks that arise Professional handling of difficult client communications for specific issues Identifying knowledge gaps and mentoring opportunities ...

Frontier Resourcing is sourcing DV‐cleared Software Developers for a leading defence organisation in the UK. Roles span from junior to Principal, within secure programmes and teams delivering mission critical software. You will contribute across the full development lifecycle, building secure, scalable software and working in an Agile ...

About us: Causaly is redefining how humans acquire knowledge and develop insights in biomedicine. Our AI-powered platform enables researchers and decision-makers to discover and interpret evidence from millions of scientific publications, clinical trials ...

we make it easy for developers and AIs to build on health data. hundreds of wearables, sensors, labs, and health apps — connected, normalized, and made intelligent through a single platform. 1,000s of developers and ...

Ability to communicate technical concepts to stakeholders. Use your knowledge of Engineering best practices to ask the right questions, solve problems and build great software with a high level of quality. Produce designs for new and existing features. Clearly communicate technical concepts with others in the organization (Technical Communication … developed and manifested in our work. What we are looking for: Required skills and experience: Minimum of 5 years of experience developing enterprise-grade software with understanding of testing and quality assurance processes. Minimum of 5 years of demonstrated experience in current programming language and tools based on position ...

Iterum Trading Limited is seeking a Mid‐Level to Senior Full Stack Developer in London to help build Iterum IQ, focusing on AI/ML‐driven features. You’ll work closely with the Head of Product and a Fractional CTO, shaping architecture and mentoring junior developers. The role offers ...

ingestion, HPC orchestration, simulation, and research tooling. Trading experience is not required; we provide comprehensive onboarding. Key responsibilitiesDesign, build, and maintain high-performance, scalable software and data systems used by quant researchers and trading teams. Implement raw exchange data pipelines in modern C++ and operate them at high-throughput … telemetry, or replays. Experience designing and operating services or platforms used by other technical users in data-intensive environments. Demonstrated ability to ship production software safely and repeatedly, with an obsession for data driven quality. Desirable/nice-to-haveRust experience alongside C++ and Python. Slurm or other cluster ...

information to automatically select optimal forecasting algorithms and improve accuracy by over 30%. You’ll work on sophisticated Ruby on Rails and React software that turns diverse financial data into clear analysis, giving customers sharp insight and forecasting through intuitive dashboards. This is a critical platform moving over … build-it-you-run-it), which includes participating in the on-call pager rotation What You'll Bring: 4-8 years of professional software development experience, ideally including full-stack work with a backend lean Strong SQL fundamentals; hands-on experience with PostgreSQL ideal Comfortable working within large, sophisticated ...

orchestration, simulation, and research tooling. Trading experience is not required; we provide comprehensive onboarding. Key responsibilities Design, build, and maintain high-performance, scalable software and data systems used by quant researchers and trading teams. Implement raw exchange data pipelines in modern C++ and operate them at high-throughput scale. … telemetry, or replays. Experience designing and operating services or platforms used by other technical users in data-intensive environments. Demonstrated ability to ship production software safely and repeatedly, with an obsession for data driven quality. Desirable/nice-to-have Rust experience alongside C++ and Python. Slurm or other ...

PageRank, community detection, pathfinding, and node embeddings against the warehouses where their data already lives. This is a hands-on, mid-to-senior role at the intersection of graph analytics, cloud-native distribution, and DevOps, with a meaningful say in the platform's technical direction. What You'll DoBuild … effective in both. A genuine DevOps mindset: comfortable owning build pipelines, container images, releases, and the operational side of a product. Experience designing software for performance, scalability, and predictable cost on cloud infrastructure. Bonus PointsHands-on experience with Snowflake, especially Native Apps, Snowpark Container Services, or building stored procedures ...

infrastructure, its own DevOps, and a high-autonomy operating model independent from Wayve’s core engineering org We’re looking for a Platform Engineer to own and evolve the cloud infrastructure and developer tooling that underpins the entire Portal engineering team This is a broad, hands-on platform engineering … deployment safety Support and improve Kubernetes-based deployment workflows and platform services Build internal tools and observability capabilities that help engineers deliver performant, reliable software at scale Participate in a support/on-call rotation; respond to incidents, support engineers, and contribute to root cause analysis Apply practical security ...

Humaans is seeking a frontend engineer to help shape the product from concept to release. You will write frontend TypeScript in React, build end-to-end features, fix bugs, and expand our integration marketplace while shaping the technical architecture. You’ll collaborate closely with product teams and designers, contributing ...

financial markets, especially in delta one, store of value, and/or FICC options trading Experience with Linux-based, concurrent, high-throughput, low-latency software systems Experience with pipeline orchestration frameworks (e.g. Airflow, Dagster) Experience with streaming platforms (e.g. Kafka), data lake platforms (e.g. Delta Lake, Apache Iceberg ...

financial markets, especially in delta one, store of value, and/or FICC options tradingExperience with Linux-based, concurrent, high-throughput, low-latency software systemsExperience with pipeline orchestration frameworks (e.g. Airflow, Dagster)Experience with streaming platforms (e.g. Kafka), data lake platforms (e.g. Delta Lake, Apache Iceberg), and relational databasesHave ...

financial markets, especially in delta one, store of value, and/or FICC options trading Experience with Linux‐based, concurrent, high‐throughput, low‐latency software systems Experience with pipeline orchestration frameworks (e.g. Airflow, Dagster) Experience with streaming platforms (e.g. Kafka), data lake platforms (e.g. Delta Lake, Apache Iceberg ...

unavailable, no one can log in, so reliability and performance sit at the heart of everything the team does. We are shifting gears from "Software-First" to "Product-First." We don't hire engineers to simply maintain legacy endpoints or close Jira tickets. We hire Missionaries — builders who obsess ...

stakeholder teams to make DeepL's API the obvious and safe choice for global enterprises. We are shifting gears. We are moving from "Software-First" to "Product-First." We don't hire engineers to just close tickets or optimize algorithms in isolation. We hire Missionaries—builders who obsess over ...

Understand the product in depth and how customers use it to achieve business outcomes Analyze complex issues and deliver technical code-level solutions Collaborate with development teams to track bugs and suggest improvements Provide technical ...

part of our ethos to give consumers the confidence and clarity to make informed investment decisions and achieve their financial goals. As a Salesforce Engineer at JPM Personal Investing, your responsibilities will include working to help shape the platforms for our Customer Service, Marketing, and Operations teams. You will … technology. By their nature, our people are also solution-oriented, commercially savvy and have a head for fintech. Job responsibilities: As a Salesforce Engineer, you will get involved in developing services such as referrals & promo systems, automation/alerts, email services, custom Lightning & Visualforce pages, developing products across ...

Cisco ThousandEyes is seeking an experienced software engineering leader to drive production-grade applications and large-scale distributed systems. You will partner with product and engineering leaders across ThousandEyes to evolve technologies and ship new features. You will help bring ThousandEyes tech into Cisco wireless and security portfolios ...