1,201 to 1,225 of 1,349 Senior Software Engineer Jobs in the UK

Senior Software Engineer - DV Cleared, Secure Systems

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer (Angular)

Location
Manchester, England, United Kingdom
Make The Connection. Vix Technology is a global leader in providing innovative solutions for public transit, believing that accessibility should be a standard. With over 35 years of experience and systems deployed in more than ...

Senior Software Engineer Engineering · London · On-site

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer & Tech Lead - Public Services

Location
United Kingdom
seeks a Senior Developer to design, build and improve digital services for the public good. You’ll work in multidisciplinary teams with clients at different stages of digital transformation, creating secure, reliable and accessible software that meets user needs. This hands‐on role leads technical decisions on smaller ...

Senior Software Engineer — AI-Driven SaaS & APIs

Location
Manchester, England, United Kingdom
Finance 247 is seeking a Senior Full Stack Developer with a backend-leaning focus to build APIs and services using Node, SQL databases, and AI-enhanced workflows. You’ll work on the ArcaneAI CRM platform, scale systems on Cloudflare’s platform, and shape architecture from day one. You should ...

Senior Software Engineer (Kotlin)

Location
Greater London, England, United Kingdom
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 ...

Senior Backend Software Engineer

Location
Greater London, England, United Kingdom
annual Apple App Store Awards. The Role We are building a brand-new engineering hub in London, and we are looking for foundational Senior Backend Software Engineers to help us kick it off. You’ll be an integral part of this new product team, so you will help … Your mission will be to help refine, design, implement, deliver, and maintain an international top-class product, ensuring quality, maintainability, and sustainability. As a senior member of this new team, you will serve as a technical anchor—taking full ownership of complex backend challenges, partnering closely with your Lead ...

Senior Software Engineer: AI/ML, Full-Stack, Equity, Hybrid

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer, Full-Stack

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer — AI HR Platform (TypeScript)

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer - Data Engineering

Hiring Organisation
Hackajob Ltd
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
champion diverse perspectives, turn inputs into actions, and uphold trust through integrity. Skills and Competencies 3+ years of experience within a data engineering or software development team Hands-on experience designing and developing data integration/ETL pipelines from diverse data sources and formats Hands-on experience with Apache ...

Senior Software Engineer, C/FICCO Data

Location
City Of London, England, United Kingdom
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 ...

Senior Software Engineer, C/FICCO Data

Location
City Of London, England, United Kingdom
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 ...

Senior Software Engineer | Identity and Access Management | Full-Stack

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer - API Enterprise - Full-Stack

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer – Customer Support

Location
Greater London, England, United Kingdom
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 ...

Salesforce Software Engineer - Senior Associate

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer — Impactful SaaS for Safety

Location
Liverpool, England, United Kingdom
EcoOnline is seeking a Software Developer to join one of our core product engineering squads. You will design, develop and test our online Environmental, Health and Safety platform, enabling customers to input, analyse and act on their data. You’ll work on meaningful SaaS solutions and help ensure scalable … secure software used across diverse industries. You will collaborate with Product Managers and cross-functional teams to deliver high-impact features, while applying best practices in #J-18808-Ljbffr ...

Senior Software Engineer - AI-Driven Networking & Cloud

Location
Greater London, England, United Kingdom
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 ...

Senior Software Engineer, AI-Powered Expense Platform

Location
Greater London, England, United Kingdom
Navan is hiring an experienced Expense Engineer to own the expense product end-to-end in London. You will design and ship backend services (Java/Spring Boot) and web interfaces with AI components, focusing on accuracy, latency, and scalable data flows. You will work across international teams, mentor ...

Senior Software Engineer - AI Solutions

Location
Greater London, England, United Kingdom
templates, and pipeline gates (security, technical standards, tone, and performance checks) in Python to simplify how teams across Octopus safely integrate AI into their software Establish clear guardrails, security standards, and production pathways to turn quick, hacky AI prototypes into secure, scalable, and well-architected systems Engage directly with ...

Senior Software Engineer Lead — Hybrid, Not-for-Profit

Location
Cambridge, England, United Kingdom
Selection (Holdings) Limited is partnering with a Cambridge-area not-for-profit to recruit a hands-on project software lead on a 24 months fixed-term contract. The role reports to the CIO and will shape the user experience using modern web technologies in a small, focused team. ...

Senior Software Engineer (Front End)

Location
United Kingdom
RESPONSIBILITIES: Work with UX Designers to ensure the products meet the standards the end user is looking for Translate requirements into elegant, scalable software solutions Work closely with Backend developers on full stack solutions Write maintainable, robust code, with test coverage all to best practices Drive our automation testing ...

Senior Software Engineer - AI-Driven DX & Python Systems

Location
Greater London, England, United Kingdom
Octopus is seeking a seasoned backend engineer to embed with cross-functional teams and co-build high-impact AI features inside domain codebases. You will design internal developer tools and templates in Python to streamline how teams across Octopus safely integrate AI into their software. You will establish guardrails ...