Software Engineer Jobs in London

901 to 925 of 1,227 Software Engineer Jobs in London

Software Engineer

london, south east england, united kingdom
BAE Systems
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus … and when it’s needed—reliably, efficiently, and in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be … Ensure compliance with data protection, privacy regulations, and internal governance policies. •Contribute to technical designs, architectural decisions, and system documentation. •Stay current with best practices and emerging technologies in software engineering and data systems. Knowledge: • Along with over 5 years of relevant experience, we are looking for a candidate with the following set of technical and soft skills, as More ❯
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Software Engineer

london (city of london), south east england, united kingdom
BAE Systems
We are looking for Software Engineers with a strong foundation in API development and C# to join our data engineering team in a highly regulated industry. In this role, you’ll be instrumental in designing and building scalable, secure software systems that support seamless data movement between internal systems, third-party platforms, and cloud services. Your core focus … and when it’s needed—reliably, efficiently, and in compliance with strict regulatory standards. We’re seeking candidates with over 5 years of relevant experience, a solid understanding of software system design, and a strong command of C# and modern API development patterns. A background in working with data systems, cloud integrations, and secure, large-scale applications will be … Ensure compliance with data protection, privacy regulations, and internal governance policies. •Contribute to technical designs, architectural decisions, and system documentation. •Stay current with best practices and emerging technologies in software engineering and data systems. Knowledge: • Along with over 5 years of relevant experience, we are looking for a candidate with the following set of technical and soft skills, as More ❯
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Java Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading and risk … messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯
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Java Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Oliver Bernard
Java Engineer We’re working with a leading brokerage seeking a talented Java Engineer to join their high-performing technology team. This is an exciting opportunity to work on high-throughput, low-latency trading systems, where performance and reliability are paramount. The Role: You’ll play a key role in designing, developing, and optimising core trading and risk … messaging frameworks (e.g. Kafka, JMS, ZeroMQ) desirable What’s on Offer: Salary £120k-£130k + bonus Hybrid working model (3 days onsite in London) If you’re a Java Engineer who loves building high-performance systems and wants to make an impact in a fast-moving financial environment, we’d love to hear from you. More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Primis
Backend & Integrations Engineer – Fully Remote – AI-Powered SaaS Client Open to applicants from UK We're looking for a hands-on Backend Engineer to help shape a growing applications engineering function. If you're confident across Python APIs, integrations, and workflow orchestration—and excited by the potential of AI-assisted development—this could be a great fit. You More ❯
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Primis
Backend & Integrations Engineer – Fully Remote – AI-Powered SaaS Client Open to applicants from UK We're looking for a hands-on Backend Engineer to help shape a growing applications engineering function. If you're confident across Python APIs, integrations, and workflow orchestration—and excited by the potential of AI-assisted development—this could be a great fit. You More ❯
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Embedded Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Premier Group
Role: Embedded Software/Firmware Engineer Salary: £45,000 - £60,000 DOE Location: Hybrid – London Sponsorship is NOT provided Main skills we are looking for: Solid experience programming in Embedded C for microcontrollers (e.g. STM32, nRF52). Good understanding of electronics and how hardware and firmware work together Experience working with I2C, SPI, UART, and other common communication More ❯
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Embedded Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Premier Group
Role: Embedded Software/Firmware Engineer Salary: £45,000 - £60,000 DOE Location: Hybrid – London Sponsorship is NOT provided Main skills we are looking for: Solid experience programming in Embedded C for microcontrollers (e.g. STM32, nRF52). Good understanding of electronics and how hardware and firmware work together Experience working with I2C, SPI, UART, and other common communication More ❯
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Embedded Software Engineer

london, south east england, united kingdom
Hybrid / WFH Options
Premier Group
Role: Embedded Software/Firmware Engineer Salary: £45,000 - £60,000 DOE Location: Hybrid – London Sponsorship is NOT provided Main skills we are looking for: Solid experience programming in Embedded C for microcontrollers (e.g. STM32, nRF52). Good understanding of electronics and how hardware and firmware work together Experience working with I2C, SPI, UART, and other common communication More ❯
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Embedded Software Engineer

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Premier Group
Role: Embedded Software/Firmware Engineer Salary: £45,000 - £60,000 DOE Location: Hybrid – London Sponsorship is NOT provided Main skills we are looking for: Solid experience programming in Embedded C for microcontrollers (e.g. STM32, nRF52). Good understanding of electronics and how hardware and firmware work together Experience working with I2C, SPI, UART, and other common communication More ❯
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Software Engineer - Full Stack/Back End leaning - FS FinTech

City of London, London, United Kingdom
Hybrid / WFH Options
Miryco Consultants Ltd
with a market leading fintech specialising in regulatory solutions, strategy and operations. The firm is a private equity-backed business with excellent growth tragectory. We are seeking a Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS … reliability, and auditability. Mentor and guide junior engineers, providing technical leadership and helping shape the team’s engineering culture and standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯
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Software Engineer - Full Stack/Back End leaning - FS FinTech

London Area, United Kingdom
Hybrid / WFH Options
Miryco Consultants Ltd
with a market leading fintech specialising in regulatory solutions, strategy and operations. The firm is a private equity-backed business with excellent growth tragectory. We are seeking a Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS … reliability, and auditability. Mentor and guide junior engineers, providing technical leadership and helping shape the team’s engineering culture and standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯
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Software Engineer - Full Stack/Back End leaning - FS FinTech

london, south east england, united kingdom
Hybrid / WFH Options
Miryco Consultants Ltd
with a market leading fintech specialising in regulatory solutions, strategy and operations. The firm is a private equity-backed business with excellent growth tragectory. We are seeking a Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS … reliability, and auditability. Mentor and guide junior engineers, providing technical leadership and helping shape the team’s engineering culture and standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯
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Software Engineer - Full Stack/Back End leaning - FS FinTech

london (city of london), south east england, united kingdom
Hybrid / WFH Options
Miryco Consultants Ltd
with a market leading fintech specialising in regulatory solutions, strategy and operations. The firm is a private equity-backed business with excellent growth tragectory. We are seeking a Senior Engineer with strong software experience and ambition to grow and develop their career. Responsibilities: Design and implement scalable, secure backend services to support a high-availability, data-driven SaaS … reliability, and auditability. Mentor and guide junior engineers, providing technical leadership and helping shape the team’s engineering culture and standards. Experience: Minimum 5 years’ experience working as a software developer in a commercial environment. Strong python programming experience. Experience of managing teams. Ability to effectively share knowledge of development experience and help junior developers continue to improve their More ❯
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Senior Software Engineer

London Area, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Senior Full Stack Engineer - London (Hybrid) - Up to £90k A well funded start up who are revolutionising real estate transactions through cutting-edge technology combining sophisticated AI capabilities with robust financial data systems are looking for a Senior Full Stack Engineer to join their team. What will I be doing: Design, develop, test, deploy, and maintain robust and … and AI-driven features Mentor junior engineers and contribute to improving our engineering practices and processes What are we looking for: At least 5+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and More ❯
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Senior Software Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Understanding Recruitment
Senior Full Stack Engineer - London (Hybrid) - Up to £90k A well funded start up who are revolutionising real estate transactions through cutting-edge technology combining sophisticated AI capabilities with robust financial data systems are looking for a Senior Full Stack Engineer to join their team. What will I be doing: Design, develop, test, deploy, and maintain robust and … and AI-driven features Mentor junior engineers and contribute to improving our engineering practices and processes What are we looking for: At least 5+ years in professional full-stack software development Strong proficiency in Python for backend development Experience with modern frontend frameworks (React, Vue, Angular) Solid understanding of database technologies (PostgreSQL, MySQL) and data modeling Experience designing and More ❯
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Quant-facing Data Software Engineer

London Area, United Kingdom
Winston Fox
Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment and staff retention. … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology, and/or working with real-time Low More ❯
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Quant-facing Data Software Engineer

City of London, London, United Kingdom
Winston Fox
Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment and staff retention. … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology, and/or working with real-time Low More ❯
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Quant-facing Data Software Engineer

london, south east england, united kingdom
Winston Fox
Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment and staff retention. … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology, and/or working with real-time Low More ❯
Posted:

Quant-facing Data Software Engineer

london (city of london), south east england, united kingdom
Winston Fox
Senior Data Engineer with 5+ years’ experience, especially with 2+ years in a Hedge Fund and/or in Systematic Trading Technology and/or working with real-time Low Latency Market Data sought by one of the original Quantitative Hedge Funds, with a 20+ year track-record and a remarkable record of long-term employment and staff retention. … enhance their strategies. They are a lean team owning end-to-end delivery from initial design through to operational support in production. Requirements 5+ years working as a Data Engineer with 2+ years in Financial Markets, especially in a Hedge Fund, Trading Firm, and/or working with Quant Trading Technology, and/or working with real-time Low More ❯
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Senior Software Engineer (Javascript, React, Python)

London, United Kingdom
candidate will contribute to the growth of the platform, exercising an eye for detail across all aspects of the development lifecycle while maintaining organization and good code hygiene. This engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate will help Glint continue to grow, exercising an eye for detail across all … aspects of the development lifecycle while maintaining organization and good code hygiene. This Senior Engineer should be able to effectively communicate both with internal teams and with clients. The successful candidate values teamwork and collaboration, as well as continuous learning and application of new technologies and trends. With progression in this track, the responsibilities expand to include leading teams … designing complex software systems, providing mentorship, and managing cross-functional integration. Responsibilities: Design, build, deploy, and maintain quality code that is simple, well-structured, clear, and well-tested. Effectively break down and solve complex problems that require research or collaboration. Communicate effectively, regardless of medium, audience, or timing. Work with internal and external clients to gather and analyze requirements More ❯
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Senior Software Engineer (Java / Node.js / Python – Backend or Full Stack) Active SC

Croydon, Surrey, England, United Kingdom
Hybrid / WFH Options
eTeam Inc
Job Title: Senior Engineer with Node.js and Python or Back End (Java and ideally Kafka) Max rate: £537/Day on Umbrella Location: Croydon (Hybrid) Clearance required: SC Transfer (Active SC only ) Contract Duration: 05 months Experience of Java Experience of Spring framework or equivalent. Knowledge of software design patterns and when to apply them Excellent knowledge of … Experience of containerisation using Docker or Kubernetes Experience of Continuous Integration (CI) and Continuous Delivery (CD) A passion for delivering quality code, by use of TDD and setting high software quality standard We're also using the following technologies and patterns, it would be great if you had some of the skills, if not we can help develop them More ❯
Employment Type: Contractor
Rate: £500 - £537 per day
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Founding Software Engineer

London Area, United Kingdom
SEEKR
Founding Engineer – £80,000–£120,000 base (£142,000–£220,000 including equity) (On-site - Old Street) Not everything you read on the internet is true. Especially job adverts. Here are some things about this role that sound too good to be true, but are verified facts: Founding Engineer role with YC-backed startup. Magically joining just before More ❯
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Founding Software Engineer

City of London, London, United Kingdom
SEEKR
Founding Engineer – £80,000–£120,000 base (£142,000–£220,000 including equity) (On-site - Old Street) Not everything you read on the internet is true. Especially job adverts. Here are some things about this role that sound too good to be true, but are verified facts: Founding Engineer role with YC-backed startup. Magically joining just before More ❯
Posted:

Founding Software Engineer

london, south east england, united kingdom
SEEKR
Founding Engineer – £80,000–£120,000 base (£142,000–£220,000 including equity) (On-site - Old Street) Not everything you read on the internet is true. Especially job adverts. Here are some things about this role that sound too good to be true, but are verified facts: Founding Engineer role with YC-backed startup. Magically joining just before More ❯
Posted:
Software Engineer
London
10th Percentile
£65,000
25th Percentile
£86,750
Median
£110,000
75th Percentile
£135,000
90th Percentile
£142,500