51 to 75 of 285 Software Engineer Jobs in Central London

Senior Software Engineer | Python | Backend | React | Frontend | AWS | London About the company We are an early-stage technology company focused on accelerating the development of more productive, sustainable, nutritious, and climate-resilient food sources. Our work centres on building an ML-driven target discovery platform to support crop … disciplines. This role will be based in a shared office environment, with regular in-person collaboration. The role We are hiring a full-stack software engineer to build the internal discovery product that ties together workflows developed and optimised over the last two years. You will translate real ...

Founding Engineer/Lead Software Engineer/Senior Software Engineer London (Hybrid) Full-time Salary - £80,000 - £120,000 + Equity We’re looking for a Founding Engineer to help build the foundations of a new product tackling complex infrastructure and AI behaviour challenges. ...

Software Engineer | Python | RAG | Retrieval Augmented Generation | DAG | Dagster | London, UK The role We are hiring an agent-focused software engineer to build internal agentic frameworks for our discovery product. You will define and implement the operating system that allows scientists to run repeatable, agent … agent platform becomes shared infrastructure across the company. Potentially mentor future hires in agent engineering, orchestration, and platform development. Core competencies Strong software engineering background (industry or research), with deep experience building production-grade Python systems. Proven experience designing and deploying workflow or orchestration systems (e.g. DAGs, event-driven ...

Software Engineer London/Hybrid | Perm Role £80,000 - £100,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients to access institutional-grade execution, automate manual workflows, and gain greater transparency across … product offering and deliver cutting-edge solutions that help clients manage risk more effectively. The Role This is an excellent opportunity for an experienced Software Engineer — ideally with a background in financial technology or FX — to join a high-performing engineering team within a scaling fintech. ...

Software Engineer - Mid-Lead Level - Security & Defence 📍 Location: London, Gloucester, or Manchester (Hybrid options available) 💰 Salary: £47,000 - £90,000 + clearance uplift + company bonuses + benefits 🟩 Clearance: Active eDV Clearance Join one of the UK’s most impactful mission-led technology teams and work … sharp end of national security. We’re working with a range of defence primes, specialist consultancies, and tech-first SMEs delivering cutting-edge software solutions to protect the UK’s critical assets. These roles are core to national security, working across projects in cyber defence, secure data systems, threat ...

Software Engineer London/Hybrid | Perm Role £80,000 - £100,000 Harrington Starr has partnered with a fast-growing fintech that’s transforming how businesses manage foreign exchange and treasury operations. Their technology enables clients to access institutional-grade execution, automate manual workflows, and gain greater transparency across … product offering and deliver cutting-edge solutions that help clients manage risk more effectively. The Role This is an excellent opportunity for an experienced Software Engineer — ideally with a background in financial technology or FX — to join a high-performing engineering team within a scaling fintech. ...

Founding Software Engineer | React Native, React, Python/Node.js | AI Start-Up | London Hybrid 3x/Week | Up to £120k + Equity We have just partnered with one of the most exciting early stage start-ups in the AI creativity space who need an engineer who will … Antler or Entrepreneur First) and that is what they are looking for in their next hire without looking at years of experience. This Founding Software Engineer role is for someone who has full stack experience mainly working on Frontend (React/React Native) and Backend (Node/Python ...

love working on tech making a positive impact in the world? Looking to be part of a collaborate, innovate team? ♻ Software Engineer - Renewable Energy for Car Charging ♻ 💰 Package: Up to £80k + bonus + equity 📍 Location: Hybrid in London (2x per week) We are very excited … continuing our partnership on this exclusive position to join the company as a Kotlin Software Engineer from a JVM background. You will be joining a highly innovative scale-up leading at the forefront of the GreenTech industry, as they assist in the global transition towards sustainable living ...

Software Engineer - AI Infra Start-up - London - Up to $240k Base + Equity We’re working with a stealth-mode AI infrastructure start-up, founded by a team out of Oxford and backed by top investors. Their mission : break the world’s dependence on traditional hardware providers . … With GPU shortages and rising costs holding back AI innovation, this team is building distributed software that enables large-scale model training on alternative platforms. They’re tackling challenges at the intersection of systems, distributed computing, and machine learning, and are now hiring: As a Software Engineer ...

Software Engineer – React (Web & Mobile) | 6-Month Contract Rolling Retail Energy Sector IR35: Inside IR35 Overview We’re seeking a number of Software Engineer's with extensive experience in React to join a fast-moving Web/Mobile Squad within the retail division of a major ...

Experis Software Engineer Perm Salary DOE London (Hybrid) **DV or SC Clearance Essential** Our client, a rapidly growing deep-tech consultancy, urgently require an experienced Software Engineer to join their team on a permanent basis. In order to be successful, you will have the following experience … Experienced Software Developer/Engineer Strong background within Python, C++, C#, SQL, TypeScript Experience of Palantir technology is a bonus DV or SC Clearance is essential Within this role, you will be responsible for: Delivering strategic advisory, engineering delivery, and enablement services to Government and commercial clients. Solve ...

C#.Net Software Engineer Permanent Location: Remote Salary: £60,000 - £65,000 (+ benefits) We are looking to recruit a C#.Net Software Engineer for a global software company. You will be involved in developing new, innovative cloud-based products while also maintaining and enhancing established, business … investigation and resolution of issues Maintain clean, well-structured, well-documented code Conduct peer code reviews and support continuous improvement Troubleshoot and resolve complex software problems Ensure code quality through unit tests, version control and adherence to ISO-aligned processes Mentor and support junior developers Travel to London occasionally ...

Senior Software Engineer | Hybrid | London We are hiring for an innovative analytics software company powering global credit investment is expanding its engineering team and looking for a Senior Software Engineer to help shape its next generation of data products. This is a unique opportunity ...

Senior Software Engineer Location: London - Hybrid (Occasional Travel required) Salary: £75,000 - £95,000 An established, global technology business within the hospitality-tech industry is seeking a talented Backend Software Engineer to help build and scale cutting-edge digital solutions. This is a chance to work … doing? Design, develop, test, and maintain high-performance backend systems supporting real-time hospitality operations. Take ownership of key features throughout the software development lifecycle - from technical design through to deployment and ongoing optimisation. Collaborate with cross-functional teams including product, design, and data science to deliver innovative, customer ...

Lead Software Engineer – Java Microservices | London (1 day per week on-site) | £74,000 – £92,000 + Package We’re partnering with a leading UK bank to recruit a Lead Software Engineer with strong Java and microservices expertise. This is a hands-on role building high … performance, scalable software for real-world, high-traffic systems. About the Role You’ll join a permanent feature team, taking end-to-end ownership of services, from design and development to testing, deployment, and optimisation. Your focus will be on building robust microservices that support high-traffic user experiences ...

Title: Senior Embedded Software Engineer Rank: Determined by the confirmed level and scope of experience Company: Chevalier Tech Limited Location: Colindale, Greater London (On-site) Salary: Salary is competitive and negotiable based on experience. Job Type: Full-time, Permanent About Us Chevalier Tech Limited is a tier … Smart Door Handles, and Control Electronics, which are integrated into high-end passenger and super cars worldwide. About the Role As a highly Experienced Software Engineer , you will lead the software engineering team, play a pivotal role in the design, development, and implementation of embedded software ...

Principal Software Engineer Location: Remote first (Occasional travel to London) Salary: £95,000 - £120,000 + equity + benefits An established, global technology business within the hospitality-tech industry is seeking an accomplished Principal Software Engineer to lead the design and delivery of next-generation digital … with engineering leadership to define best practices, coding standards, and long-term technical strategy. Design, develop, and oversee the delivery of robust, production-grade software built using Python, Django, Cloud Firestore, BigQuery, and Elasticsearch. Mentor and guide engineers at all levels, fostering a culture of technical excellence and continuous ...

Senior Software Engineer About ZigZag ZigZag is the #1 app for dog training & life skills, helping pups and their pawrents build a lifelong bond. Too many dogs miss out on the right training, leading to behavioural issues or even abandonment. Our mission is to prevent that by making … senior individual contributor role. You’ll work across the full stack, contributing to both backend services and the mobile app. As a senior engineer, you’ll also help guide backend and infrastructure design decisions and best practices. There’s scope to grow into broader technical leadership over time ...

Lead Software Engineer – FinTech A high-growth FinTech is expanding its engineering leadership and is looking for a Lead Software Engineer to guide the development of core platform capabilities. Their products enable businesses across the UK, and the organisation is scaling quickly as demand increases. This … position is ideal for someone who enjoys hands-on engineering while also influencing architecture, mentoring others, and shaping how modern software is built and delivered. What You’ll Take Ownership Of As a technical leader within the team, you’ll be responsible for: Designing, building, and improving large-scale ...

Senior Software Engineer (C++) – Real-Time Market Data Systems Company Insight: A leading global quant trading firm is looking for a senior software engineer experienced in market data processing to help evolve the firm's real-time market data platform - a critical system that supports both … Responsibilities: Build and enhance real-time market data and distribution pipelines spanning global markets and multiple asset classes. Design and optimise high-performance, distributed software systems for processing market data at scale. Champion engineering best practices and innovation. Serve as a technical leader in market data systems. Apply data ...

Senior Software Engineer (.NET) Up to £115k + Benefits | London | Hybrid Omnis Partners are partnering with a high-growth technology organisation that is redefining how merchants leverage data, analytics, and AI to understand performance and accelerate revenue growth. We’re looking for a Senior Software Engineer ...

Junior Software Engineer (Trade Support Pathway) Location: London Experience: 0–2 Years Industry: Market Making/Proprietary Trading/Capital Markets Please note: applicants with exposure to trading, markets or buy-side environments will be viewed favourably, but this is not required. We are looking for exceptionally bright … curious, and motivated junior engineers who want to build a long-term career at the intersection of trading and software engineering. You will join a small, highly technical, and collaborative team of expert traders and engineers working on cutting-edge algorithmic trading systems. This role sits within the Trade ...

Python Software Engineer – High-Frequency Trading We're working with a high-frequency trading (HFT) firm that is looking to expand its technology team with a Python Software Engineer. This is an opportunity to join a trading firm operating at the cutting edge of global markets, where … exchanges. You’ll work on some of the most complex and rewarding engineering challenges in the financial technology space. The Role As a Python Software Engineer, you’ll collaborate with traders, quantitative researchers, and other developers to design, develop, and optimise trading infrastructure. You’ll be directly contributing ...

Senior Software Engineer – Application Modernization (Contract) About the Role: We’re looking for a hands-on software engineer to help modernize a suite of critical financial applications that support Reference Data, the backbone of trading and market workflows. This role offers the chance to upgrade legacy ...

Senior Software Engineer Climate Tech Nearly Remote (travel into London) Salary up to £100,000 We are the chosen talent provider of an innovative early-stage company in the climate & insurance space. Are you a builder who wants to use your software engineering skills to make … efforts across the globe. They’re a small but highly experienced team of tech and insurance pioneers, and they’re looking for a Senior Software Engineer to help shape the future of their platform. What You'll Do: Play a major part in designing and building the systems ...