Senior Software Developer Jobs in London

1 to 25 of 28 Senior Software Developer Jobs in London

Senior Software Developer

London, South East, England, United Kingdom
Hybrid / WFH Options
Matched Group
Senior Software Developer Tech : AWS, NodeJS, TypeScript, JavaScript, ReactJS, React Native Why? scaling FinTech, revolutionising the industry Location : Hybrid - 1-2 days in the office (Central London) Our Client A new UK-based financial services provider is launching credit card, personal loans and insurance offerings aimed at delivering fair, flexible, and user-friendly financial products to consumers. … The organisation is committed to empowering individuals by enhancing their understanding and control of personal finance through clarity, intelligence, and technology. Senior Software Developer -Responsibilities Design, develop, and maintain advanced applications. Collaborate with cross-functional teams to define, design, and ship new features. Optimize components for maximum performance across a vast array of web- capable devices and … the highest quality. Troubleshoot and debug to optimize performance. Provide code reviews, feedback, and mentorship to junior developers. Stay up-to-date with new technology trends, applications, and protocols Senior Software Developer -Experience Required Proven experience as a Full Stack Developer or similar role with a strong portfolio of projects. Expertise in Node.js and AWS Lambda More ❯
Employment Type: Full-Time
Salary: £80,000 - £95,000 per annum
Posted:

Senior C++ Software Developer

Greater London, England, United Kingdom
Miller Maxwell Ltd
Senior C++ Software Developer – STL – UNIX - London. - Tier-1 electronic trading organisation seeks to hire a Senior C++ Software Developer to join their London or Chicago team as part of an expansion plan for 2026. The Senior C++ Software Developer with be a key contributor to the enhancement of their electronic … trading ecosystem and surrounding electronic trading environment. The client is part of a large investment banking group, one of the largest financial institutions globally. The Senior C++ Software Developer will: Assist engineering manager with growth of the team in London and US office. Define and be involved in development projects for their core real-time trading engine. … Work collaboratively with testing and engineering teams internally and externally. Assist with further advancements in platform automation. Take ownership of business and technical change requests. Design and plan software change documentation. Integration testing to ensure high quality QA. The Senior C++ Software Developer will need to have: A STEM background. Experience developing electronic trading software More ❯
Posted:

Senior Software Developer - Python

London Area, United Kingdom
TechNET IT Recruitment Ltd
Senior Software Developer – Python/Ruby Location: London (2/3 days per week on-site) Rate: Up to £650/day (Inside IR35 – 12-month Contract) A major UK government department is seeking an experienced Senior Software Developer to play a key role in the redevelopment of a critical national open data platform. … You’ll help shape the platform’s technical direction while ensuring delivery excellence. Key responsibilities include: Designing and building resilient, cloud-native applications using modern frameworks and languages. Leading software architecture and setting engineering standards across the team. Collaborating with developers, designers, and policy teams to deliver user-focused services. Driving technology choices and product roadmaps in line with More ❯
Posted:

Senior Software Developer - Python

City of London, London, United Kingdom
TechNET IT Recruitment Ltd
Senior Software Developer – Python/Ruby Location: London (2/3 days per week on-site) Rate: Up to £650/day (Inside IR35 – 12-month Contract) A major UK government department is seeking an experienced Senior Software Developer to play a key role in the redevelopment of a critical national open data platform. … You’ll help shape the platform’s technical direction while ensuring delivery excellence. Key responsibilities include: Designing and building resilient, cloud-native applications using modern frameworks and languages. Leading software architecture and setting engineering standards across the team. Collaborating with developers, designers, and policy teams to deliver user-focused services. Driving technology choices and product roadmaps in line with More ❯
Posted:

Senior Software Developer

South Croydon, London, United Kingdom
Hybrid / WFH Options
Inspire People
HM Land Registry (HMLR) is undertaking one of the largest transformation programmes in government, modernising the digital systems that support over £7 trillion of property ownership. As a Senior Software Developer, you'll take a leading role in designing and delivering the systems and services that power this national infrastructure. Salary up to £60,800, 29% employer … pension contribution plus full Civil Service benefits. Flexible, hybrid working from 14 office locations across the UK. About the Role As a Senior Software Developer, you'll combine hands-on coding with technical leadership. You'll work in a multidisciplinary team of developers, testers, product managers and architects to build secure, scalable systems and help guide technical … direction across your team. You'll also mentor colleagues and contribute to improving development processes and standards across the Software Development Practice. HMLR's Developers work on a variety of projects that are central to their digital transformation. This includes rebuilding core registration and casework systems, geospatial data initiatives, developing new cloud-native services and modernising legacy applications into More ❯
Employment Type: Permanent, Work From Home
Salary: £60,000
Posted:

Senior Software Developer

City of London, London, United Kingdom
Spectrum IT Recruitment
Senior Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Senior Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C# … You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications whilst having a lot of autonomy. Our client offers a very collaborative working environment with most of the development team coming from excellent educational backgrounds. The company operate More ❯
Posted:

Senior Software Developer

London Area, United Kingdom
Spectrum IT Recruitment
Senior Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Senior Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C# … You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications whilst having a lot of autonomy. Our client offers a very collaborative working environment with most of the development team coming from excellent educational backgrounds. The company operate More ❯
Posted:

Senior Software Developer

london, south east england, united kingdom
Spectrum IT Recruitment
Senior Software Developers required for an excellent client who are in the trading industry and their office is based in the City of London. The successful Senior Software Developer will join a small but extremely talented development team. You will be exposed to creating and maintaining our client's own applications based around a C# … You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications whilst having a lot of autonomy. Our client offers a very collaborative working environment with most of the development team coming from excellent educational backgrounds. The company operate More ❯
Posted:

Senior Software Developer

London, South East, England, United Kingdom
Spectrum IT Recruitment
Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield … on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform.Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is within More ❯
Employment Type: Full-Time
Salary: £100,000 - £120,000 per annum
Posted:

Senior Software Developer

City of London, London, United Kingdom
Spectrum IT Recruitment
Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield … on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is More ❯
Employment Type: Permanent
Salary: £100000 - £120000/annum
Posted:

Senior Software Developer

london (city of london), south east england, united kingdom
Spectrum IT Recruitment
Senior Software Developers specialising in trading systems required for an excellent client based in London. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around a C#/.NET/SQL Server/ASP.NET universe. Many projects are greenfield … on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is More ❯
Posted:

Senior Software Developer

London, United Kingdom
Senior Software Developers specialising in trading systems required for an excellent client based in London. Please ensure you read the below overview and requirements for this employment opportunity completely. The successful Software Developer will join a extremely talented development team and you will be exposed to creating and maintaining our client's own applications based around … on.You will be given the opportunity to work with the some of the latest technologies possible and will be expected to produce excellent code for our clients in house software applications and trading platform. Our client offers a very collaborative working environment with all of the development team coming from excellent educational backgrounds from across Europe. This role is More ❯
Posted:

Senior Software Developer

London, United Kingdom
Fyre Global Ltd
Senior Software Developer – Node.js/AWS/React – London (Hybrid, 3 days onsite) Are you the kind of engineer who enjoys taking something fast-and-scrappy and turning it into something scalable, elegant, and genuinely robust? This is a chance to join a small, but ambitious tech-for-good/IoT startup based in the London City More ❯
Employment Type: Permanent
Salary: £80000 - £95000/annum Equity
Posted:

Senior Software Developer - Python

London, South East, England, United Kingdom
TXP Technology x People
Senior Software Developer - Python 12-Month Contract Inside IR35 Role Details Location: London or Manchester (2 days/week onsite + monthly team rotation) Duration: 12 months Clearance: BPSS to start; active SC required due to timsecale of the project Team: 10 direct reports, part of a 60+ programme Experience: 4+ years Essential Skills Technical: Strong Python … open data platforms Ensure code is of high quality and well-documented Work closely with UCD teams and technical experts in an agile environment What We're Looking For: Senior Python developer with strong focus on code quality Experience working with data services Comfortable working in small, agile teams and collaborating with UCD teams More ❯
Employment Type: Contractor
Rate: £0 per annum
Posted:

Senior .NET Developer with Software Security, SevSecOps, Mainly Remote

Central London, London, United Kingdom
Hybrid / WFH Options
Carrington Recruitment Solutions Limited
Senior .NET Developer with Software Security, Azure Lead Software Security Engineer with Development Background, DevSecOps, Mainly Remote Senior .NET Developer with Software Security, Software Security Engineer Lead is required to work for a fast-growing and exciting company based in Central London. However, this will mainly be remote. Please read in full … before applying We need someone with a Microsoft tech-stack background who has experience as a .NET Developer with Software Security experience, Azure DevSecOps Consultant or even a good old fashioned Unix/Linux Systems Administrator. We want someone with a development/some form of coding background who has blossomed into Software Security/Cloud Security … acceptable. Rather than someone from a bog-standard IT Operations background, we NEED you to have come from a Development background and you MUST have a good grounding within Software Development as you will mainly working with Developers and need to be able speak their language and develop trust with them. This role was very successfully introduce into this More ❯
Employment Type: Permanent
Salary: £85,000
Posted:

Senior Consultant Software Developer

London, United Kingdom
ameygroupi
Press Tab to Move to Skip to Content Link Select how often (in days) to receive an alert: Title: Senior Consultant Software Developer Requisition ID: 8006 Amey are a leading provider of full life-cycle engineering, operations, and decarbonisation solutions, for transport infrastructure and complex facilities. Working for us, you'll be delivering sustainable infrastructure solutions that … protect our shared future. Our people are driven by a set of strong values, based on safety, insight, and collaboration. The Opportunity We have a fantastic opportunity for a Senior Consultant - Full Stack Developer to join our Digital, Data and Technology Team within our Consulting Business Unit. Amey Consulting is a leading consultancy that drives innovation through data … making, and define a digital strategy that supports our client's vision, transforming and enabling them to become leaders in a rapidly changing technology and data landscape. As a Senior Consultant, you will be aspiring leader within our DDaT team and will work alongside an experienced pool of other software developers, solution architects, product owners, project managers, business More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Java Software Developer

London, United Kingdom
Hybrid / WFH Options
Itrs Insights
and Chicago. We pride ourselves on a diverse, friendly, dynamic culture - with a focus on internal promotion and developing our people. Scope of Role ITRS Group is looking for Senior Java Engineer in London. Reporting to our Engineering Manager, you will sit in the Platform Team and form part of a wider global Engineering Team. The Core Platform layer … team in anticipation of wider customer adoption through 2025. Our role offers a permanent, full-time position working from our London office on a hybrid work schedule. As a Senior Java Software Engineer, you will: Participate in all phases of the product lifecycle, including design, development, documentation, testing, integration, deployment, and ongoing support. Participate in mentoring relationships - both … personal growth. There will always be opportunities requiring it. We have an ambitious L&D policy to support your learning and growth Requirements You are predominantly a backend Java developer with at least 7 years of experience building complex distributed systems. You have built applications from the ground-up with a deep understanding of core Java, data structures and More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

Senior Software Developer - Hybrid Working

London, United Kingdom
Hybrid / WFH Options
Skilled Java Developers are wanted to join a high performing, global, algo trading team. Working within pricing and risk, applicants will need to have solid experience of Java, ideally up to v21, and understand core pinning and NUMA principals and More ❯
Posted:

Senior Software Developer

London, UK
Paritas Recruitment
Skilled Java Developers are wanted to join a high performing, global, algo trading team. Working within pricing and risk, applicants will need to have solid experience of Java, ideally up to v21, and understand core pinning and NUMA principals and More ❯
Employment Type: Part-time
Posted:

Senior Software Developer

City of London, Greater London, UK
Paritas Recruitment
Skilled Java Developers are wanted to join a high performing, global, algo trading team. Working within pricing and risk, applicants will need to have solid experience of Java, ideally up to v21, and understand core pinning and NUMA principals and More ❯
Employment Type: Part-time
Posted:

Senior Software Developer

london, south east england, united kingdom
Paritas Recruitment
Skilled Java Developers are wanted to join a high performing, global, algo trading team. Working within pricing and risk, applicants will need to have solid experience of Java, ideally up to v21, and understand core pinning and NUMA principals and More ❯
Posted:

Senior Software Developer

london (city of london), south east england, united kingdom
Paritas Recruitment
Skilled Java Developers are wanted to join a high performing, global, algo trading team. Working within pricing and risk, applicants will need to have solid experience of Java, ideally up to v21, and understand core pinning and NUMA principals and More ❯
Posted:

Senior .Net C# Software Developer : Market Data with Commodity Trading Company - 12 Month Initial Contract

London Area, United Kingdom
Eaglecliff Recruitment
Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and More ❯
Posted:

Senior .Net C# Software Developer : Market Data with Commodity Trading Company - 12 Month Initial Contract

City of London, London, United Kingdom
Eaglecliff Recruitment
Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and More ❯
Posted:

Senior .Net C# Software Developer : Market Data with Commodity Trading Company - 12 Month Initial Contract

london, south east england, united kingdom
Eaglecliff Recruitment
Exciting opportunity for a Senior .Net C# Software Engineer with a background in front office trading to join a global Commodities Trading Company. You will be working in a front office trading environment dealing directly with business users & stakeholders. The role involves development & support of the existing platform for managing market and fundamental data across capture, forecasting and More ❯
Posted:
Senior Software Developer
London
10th Percentile
£60,600
Median
£64,000
75th Percentile
£72,500
90th Percentile
£80,500