1 to 25 of 36 Senior Software Engineer Jobs in Central London

Senior Software Engineer Central London | Hybrid £100k–£140k + bonus + equity Python, Databricks, AWS/GCP, Kubernetes We’re hiring a Senior Software Engineer to join a well-funded data business operating in the government/intelligence space. This Senior Software Engineer role sits within the Core Engineering team, working on a high-scale data platform analysing complex transaction data. It’s a technically challenging environment with real-world impact. As a Senior Software Engineer, you’ll optimise ETL/ELT pipelines (batch & streaming), improve architecture ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) ***This is a hybrid role, 3 days remote and 2 days in the office*** Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background … Solutions Limited does not discriminate in regards to age, gender, national origin, religion or any other basis. An excellent opportunity has arisen for a Senior Software Engineer C++to join a friendly team my client are a well-established exchange (FinTech, Financial Technology) based in the City. ...

Senior Software Engineer Location: London - Hybrid Salary: £70,000-85,000 Tech stack: Typescript & Node.js Maxwell Bond have partnered with a leading SaaS business who are looking for a Senior Software Engineer, with a focus on frontend development, to join their team. … work on one of the largest complex platforms for an enterprise client, being hands-on throughout the full software development lifecycle. What you'll do as Senior Software Engineer: Design, build and maintain full stack development for an enterprise platform, taking ownership from initial design through ...

leave it. If there’s a plate on the side or a glass in the sink, load the dishwasher. What it takes: The Senior Software Engineer (back-end/Full-stack) position ensures the delivery of quality software solutions to meet the technical challenges the business … crucial role in delivering functionality in the platform, solving technical challenges, and maintaining a high level of quality. This position requires a strong technical engineer who can deliver substantial value to an engineering team. The Senior Software Engineer is a key driver of success for Onda ...

Software Engineer (Senior) - C#/.Net & SQL Server | Trading Desk Engineering | Hedge Fund London (primarily office based in Liverpool Street) Permanent, Full-time £120,000 – £160,000 base + discretionary bonus (of up to 100%) The role: This is an opportunity to join a systematic trading firm … Senior Software Engineer working directly with the trading desk on the platform that executes trades in live markets. You will be based in the firm’s Liverpool Street front-office trading floor working alongside the traders, senior engineers and the CEO. The firm has around ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Financial Services Vendor and they are looking for a Senior C#, .NET Software Engineer … work in the UK. This role offers hybrid working, with an office location based in the City of London. This role will suit a Senior Software Engineer, with expert C#, .NET experience having a direct impact from the get-go. ...

Role: Senior Software Engineer (with DevOps) Location: Remote (with occasional monthly collaboration days) Are you... A software Engineer with 5+ years experience, working with modern programming with one or more programming languages, Python and/or Golang, Java, Ruby, TypeScript etc? Experienced working on cloud … meet colleagues or even change if scenery when you like? About: Our client are a "Scale-Up" cloud solutions consultancy, helping customers to optimise Software & Cloud, covering DevOps, DevSecOps, Transformation, Strategy and more. Due to recent successes in the continued commercial strategy, we are now looking to grow ...

Senior Software Engineer The Opportunity On behalf of a global powerhouse in FinTech Infrastructure , we are seeking a Senior Software Engineer . Our client operates one of the largest financial networks, serving as the digital backbone for thousands of global financial institutions. This … senior-tier appointment for an engineer who excels at building resilient, high-concurrency systems and wants to lead the digitalization of global financial markets. The Technical Stack You will be working within a modern, engineering-first culture. The core stack includes: The Engine: Expert-level C# and .NET ...

Senior Front Office Software Engineer – Real‐Time Trading Systems Contract – Inside IR35 £700 - £1100 per day London – Hybrid (3 days in office) The Short Version. You must be a senior software engineer with experience in trading environments. You need to be a well-rounded … engineer in Python, C#/.NET or other object-oriented languages. With an ability to deliver real-time cloud based solutions at the speed a trading desk needs. Want to know more? Click to apply or read the full JD below. Full Job Description: You’ll be joining ...

Senior Software Engineer Key Technologies: C#, .NET, React, JavaScript, Typescript, AWS, Docker City of London, United Kingdom Perm Role: £80,000 - £120,000 Harrington Starr has partnered with a Global Commodities Brokerage and they are looking for a Senior C#, .NET Software Engineer ...

Senior Backend Engineer London - 4 days on site Up to £110k + benefits We're hiring for one of the UK's fastest growing fintech scale-ups. As a Senior Software Engineer, you will be deeply hands-on designing, building, deploying and operating scalable infrastructure ...

Senior Backend Engineer London - 4 days on site Up to £110k + benefits We're hiring for one of the UK's fastest growing fintech scale-ups. As a Senior Software Engineer, you will be deeply hands-on designing, building, deploying and operating scalable infrastructure ...

Senior Software Engineer Location: London (Hybrid/On-site) Salary: £100,000 – £150,000 + equity About the Company We’re working with an early-stage, venture-backed legal technology startup on a mission to transform one of the UK’s most broken consumer experiences: the legal … strong foundation for navigating regulation while moving quickly in a traditionally slow industry. The Role This is an opportunity for a Staff or Senior Product Engineer to join as one of the earliest engineers in the business. You’ll be part of a small, high-calibre team ...

Senior Software Engineer (Full Stack, TypeScript) £100k–£120k | London (Hybrid) I’m working with a high-growth consumer technology company building a platform used by thousands of customers across London every day. The business operates in the rapid-delivery/convenience commerce space, combining logistics, retail … Engineers work closely with product, marketing and leadership to ship features that directly impact customer experience and commercial performance. They’re now hiring a Senior Full Stack Engineer to help build the next generation of their consumer platform. Quick overview • Salary: £100k–£120k • Location: London (hybrid, 3 days ...

Senior Software Engineer - C#, .Net, TypeScript, JavaScript Hybrid, 2 days in the office which is located near Liverpool Street £70,000 - £90,000 If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters, this … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Senior Developer | Senior Software Engineer C#, .Net, Typescript, JavaScript Hybrid, 1-2 days near Liverpool Street Salary, £85,000 to £95,000 + benefits If you enjoy solving complex engineering problems, learning from highly capable peers, and working on a product where your contribution genuinely matters … progression and the chance to help shape both the product and engineering direction. You'll be part of a bright, collaborative team of talented software engineers and academically strong problem-solvers who value clean design and thoughtful architecture. The Role As a Full Stack Engineer, you'll design ...

Senior C# Engineer City of London (On-site) Permanent | £90,000 – £120,000 We’re partnered with an innovative proprietary trading firm in the City of London that is hiring a Senior C# Software Engineer . You’ll work on greenfield projects, cutting-edge technology ...

Senior Software Engineer Hayes, London Hybrid We are looking for a Senior Web Application Developer with 5+ years of experience in building and maintaining scalable, high-quality applications to join our growing tech team. As a senior member, you’ll play a key role … with various testing methodologies (e.g., unit, integration, end-to-end) and a commitment to writing well-tested code. A commitment to robust and reliable software delivery, including familiarity with practices like no-downtime deployments, proactive monitoring, and identifying potential risks. Proven ability to lead technical initiatives from concept ...

Senior Software Engineer C++ (Python, SQL, Linux, Trading, FinTech, Financial Technology, Low Latency, Backend) This is a hybrid role, 3 days remote and 2 days in the office Our client actively encourages diversity, equality and inclusion within its workforce and welcomes applications from a diverse background ...

Senior Full Stack .NET Engineer • £75,000 – £90,000 + share options • London | Hybrid working (2–3 days office) Our client is a fast-growing payments technology company who are transforming their sector. Due to continued platform growth and global demand for their technology, they are expanding their … engineering team with a Senior Full Stack .NET Engineer who can play a pivotal role in shaping the next generation of payment products and lead the development for a range of new features. This role is ideal for a Senior .NET engineer who thrives within ...

seeking a Senior Software Engineer to join a growing engineering team and help build scalable software systems that support cutting-edge research in biotechnology and life sciences. You will play a key role in designing and developing platforms that enable scientists, data engineers, and bioinformaticians … platforms Build and maintain data pipelines for large biological and research datasets Collaborate with scientists, bioinformaticians, and data teams to translate research needs into software solutions Contribute to cloud infrastructure, system architecture, and performance optimisation Ensure high-quality code, testing, and CI/CD best practices Mentor junior engineers ...

looking for a Senior Software Engineer to join a growing team building smart, scalable tools used by professionals across a range of industries. You'll work onsite in London, helping shape robust backend services and responsive user experiences using React, NextJS and NodeJS. What ...

high-performing rapidly growing capital markets organisation based in London are on the lookout for a Senior Software Engineer with a strong background in Golang or Python. The ideal candidate is a self-motivated, startup minded, multi-tasker, and demonstrated team-player. You will … departments on complex problem solving and solutions Qualifications Bachelor's degree in Computer Science (or related field) 4+ years of experience in a professional Software Engineering environment Strong proficiency in Golang or Python Tech-agnostic engineer, with competence in a major programming language (experience in functional programming languages ...

Senior Fullstack Engineer £450–550 per day 6 months Outside IR35 Hybrid – 2 days per week on site (London) We’re supporting a high-growth, AI-driven product business building a scalable platform from the ground up. They operate as a small, high-calibre team and real ownership. … They’re looking for a Senior Fullstack Engineer (back end leaning) to take responsibility for core backend systems and help shape product direction in fast-moving environment. This is a role for someone who is comfortable building without perfect specs and takes initiative naturally. Requirements Strong Node.js ...

Senior Core Java Engineer – Low-Latency Trading 💹 💰 Salary: Up to £125,000 + bonus + benefits 📍 Location: City of London (3 days onsite) Build ultra-low latency systems at the heart of global FX trading! This is an opportunity for a Senior Core Java Engineer … high-performance systems Background working in high-throughput, distributed environments Comfortable working in cloud-based infrastructure (AWS or GCP) Strong engineering fundamentals and a senior-level mindset (ownership, mentoring, architectural input) Interest in financial markets or trading systems (experience in finance is a plus, not essential) 🌍 Why join? ➡️Work ...