1 to 25 of 127 Permanent Software Engineer Jobs in London

Brandtech Group, formerly known as You & Mr Jones, working with partners developing the best technology across the globe. ROLE OVERVIEW As a Backend Software Engineer (JuniorMid Level) Programmatic, you will contribute to the development and evolution of MOBKOIs programmatic advertising platform. You will work closely with experienced engineers … ensure technical solutions align with business needs. Actively participate in code reviews, technical discussions, and continuous improvement initiatives. KEY SKILLS & COMPETENCIES Experience in backend software development, gained through a first professional role, internship, or apprenticeship. Solid engineering fundamentals with Go (or another backend language with a strong willingness ...

Brandtech Group, formerly known as You & Mr Jones, working with partners developing the best technology across the globe. ROLE OVERVIEW As a Backend Software Engineer (Junior–Mid Level) – Programmatic, you will contribute to the development and evolution of MOBKOI’s programmatic advertising platform. You will work closely with … ensure technical solutions align with business needs.• Actively participate in code reviews, technical discussions, and continuous improvement initiatives. KEY SKILLS & COMPETENCIES • Experience in backend software development, gained through a first professional role, internship, or apprenticeship.• Solid engineering fundamentals with Go (or another backend language with a strong willingness ...

Senior Software Engineer (Python) – Reducing Carbon Emissions with Machine Learning! Python on AWS £90-£110,000 per annum plus stock London Office - 1-2 days a week Are you a Senior Software Engineer with a passion for working with curious, humble colleagues to build exceptional customer … focused products using Python? Do you align with their principles – “Work as much as you want, where you want” - giving Software Engineers the autonomy and support to perform at their best? Do you want to be part of a period of significant growth and opportunity, shaping elegant solutions ...

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, REC 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. My client ...

Title: Software Engineer Location: London Salary: TBC - We are booking interviews in next week! Please call or email for a slot As a Software Engineer you'll play a pivotal role in developing cutting edge DevSecOps software systems and applications. … forefront of driving innovation and safeguarding digital infrastructures in the UK. The Role: So, what will you be doing as a Software Engineer Typically, you will be involved in one or more of the following: Planning, conducting and coordinating software development activities. Working with customers ...

Backend Software Engineer/Developer (TypeScript Node Data) Remote UK to £90k Are you a data savvy Software Engineer with strong backend development experience using TypeScript and Node? You could be progressing your career in a senior, hands-on Backend Software Engineer role … scaling Fintech who have built an energy trading platform to revolutionise energy buying for large industrial and commercial users. As a Backend Software Engineer you'll help to build a seamless digital experience that makes complex energy systems simple, powerful and intuitive. You'll be building resilient, modular ...

Lead Software Engineer - Digital & Technology Consulting A leading global innovation and transformation consultancy is looking for an experienced Lead Software Engineer to join its growing technology practice. This role suits someone who enjoys solving complex problems, leading engineering teams, and delivering high-impact digital solutions across … diverse industries. What youll be doing as a Lead Software Engineer : Leading the technical delivery of complex, cloud-based solutions Acting as a hands-on technical authority across architecture, development and troubleshooting Mentoring engineers and promoting modern engineering best practices Working closely with clients to translate business needs ...

Full Stack Software Engineer React Typescript Java Banking London This is a new and exclusive opportunity for a Full Stack Software Engineer who is primarily front office focused with React (75%) and Java (25%) to join this thriving front office derivatives team in this investment bank … Role details Title: Full Stack Software Engineer Technical focus - React (75%) and Java (25%) Employer: front office banking derivatives Permanent role salary £85- £125,000 plus bonus and pension Location: London City and home working hybrid 50/50% Technical stack: primarily Front end React/typescript node.JS ...

Software Engineer (MidSenior) Python Full Stack A fast-growing, technology-led consumer health & beauty scale-up is looking for a mid-level to senior Software Engineer to join its collaborative engineering team. The business builds and operates multiple direct-to-consumer brands, supported by a highly … opportunity to influence architecture, tooling, and engineering best practices as the platform continues to scale. This is a great opportunity for an engineer who enjoys ownership, autonomy, and seeing their work have real-world impact. What youll be doing as a Software Engineer Designing, building, and deploying ...

Senior Java Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Type: Permanent Security Clearance: SC cleared/eligible Use your engineering expertise to improve services that millions rely on. We're hiring a Senior Software Engineer to join a mission-driven digital … quality engineering, enjoy mentoring others, and want your work to have real public impact, this role is for you. The Role As a Senior Software Engineer (Full Stack) you'll design, build and deploy scalable, secure and well-tested software solutions. You'll contribute to architecture decisions ...

Flight Software Engineer - Robotics & Autonomous Systems Up to £65,000 + Excellent Benefits | Full-Time | Permanent (Anonymous Client - Cutting-Edge Robotics Start-Up) Are you excited by the challenge of building safety-critical software for next-generation autonomous systems Our clientm, an innovative, fast-growing robotics start … seeking a Flight Software Engineer to help develop advanced assurance and autonomy systems used across AI-enabled robotic platforms. This is an opportunity to work on genuinely groundbreaking technology within a mission-driven organisation shaping the future of autonomous safety. The Role As a Flight Software Engineer ...

Senior Software Engineer/Full Stack Developer (TypeScript Node React AWS) London/WFH to £95k Are you a full stack technologist? You could be progressing your career in a hands-on Senior Software Engineer role at a well established consumer facing financial services company that … days per year Opportunity to make an impact as part of new team in a role you can shape Your role: As a Senior Software Engineer you will design and develop customer facing applications, working across the full stack with a leaning towards TypeScript, Node ...

SOFTWARE ENGINEER/OFFENSIVE SECURITY/RED TEAM Fully Remote Up to £100,000 + Excellent Staff Bens + Share Scheme SECURE has Strategically Partnered with a Multi-Award-Winning, Software-Based Organisation at the forefront of Pre-Emptive Exposure Management. As a market leader backed … Real-World Exploitation, helping Fortune 500 Companies & Critical Infrastructure Providers outrun Real-World Threats in Real-Time. Our Client is looking for an ambitious Engineer who sits at the Intersection of Software Engineering and Offensive Security . You will Not Just Write Code; you will Architect the Cloud ...

Lead Full Stack Software Engineer - Public Sector Digital Transformation Location: UK (Fully Remote) Security Clearance: SC cleared/eligible Lead engineering teams building modern, impactful digital services for the UK public sector. We're supporting a purpose-driven digital consultancy in hiring a Lead Software Engineer … mentor engineers, and drive best-practice engineering - all while helping public sector organisations improve services for people and communities. If you're an experienced engineer who enjoys leadership, hands-on problem solving and collaborating with non-technical stakeholders, this is an excellent next step. The Role As a Lead ...

Role: Senior Software Engineer Location: Canary Wharf, Central London Salary: £70,000-£75,000 Plus Hybrid/Flexible Working, Company Bonus, Generous Pension and more. We are working with a well-funded, mission-driven organisation in the renewable energy space looking to hire a Senior Software Engineer … national level. This is a high-impact engineering environment where strong technical input genuinely matters. You’ll be responsible not just for building software, but for contributing to technical direction, design decisions, and engineering standards across the team. Key Responsibilities Build and scale high-performance, cloud-based applications Develop ...

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 to join … 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. ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : 80,000 - 115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

Senior Software Engineer - Python - London Salary: Up to £90,000 Location: Hybrid 2 days per week in Canary Wharf (E14) Contract: Permanent, Full Time Interviews: WC 9th February Agency Partner: dcoded The Business dcoded are partnering with a high-growth Real-Time Data SaaS business based in London … scale, supporting: The business is entering a significant growth phase and is expanding its engineering team. The Role We are hiring a Senior Software Engineer to work on external, customer-facing SaaS platforms not internal IT systems. This is a hands-on role covering the full development lifecycle ...

Backend Software Engineer/Developer (TypeScript Node Data) Remote UK to £90k Are you a data savvy Software Engineer with strong backend development experience using TypeScript and Node? You could be progressing your career in a senior, hands-on Backend Software Engineer role ...

Software Engineer London/Hybrid | Perm Role £60,000 - £80,000 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 - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like … part of an internationally recognised team of C++ experts led by the brightest C++ minds in the world? An elite software house are looking for the top 1% of engineers of all levels to come on board as they continue to develop beautiful algorithms which power business decisions ...

Software Engineer - C++ Title : Software Engineer - C++ Company : Elite Software House Location : Remote (London office) Salary : £80,000 - £115,000 Skills : C++, Algorithms, Boost Overview : Are you someone that thinks that writing slick, classy C++ code can and should be an art? Would you like ...

Senior Software Engineer - SaaS/AI scale up £80-£90,000+ benefits and remote working A Senior Software/Principal Software Engineer opportunity for an exciting tech business offering innovative products to a global customer base. This is a senior hands-on engineer position … developing a genuinely exciting product and are growing; they promote autonomy and collaboration and support remote working. Previous experience in a full stack engineer role using Ruby, TypeScript, React is essential. Previous experience with AI or Autonomous vehicles, is desirable. Essential requirements: A hands-on background within a Ruby ...

Embedded Software Engineer – Join a Team Building Cutting‐Edge Tech 📍 Hybrid | 3 days onsite each week (non‐negotiable) Are you an Embedded Software Engineer who loves getting deep into the kernel, bringing systems to life, and solving complex hardware–software challenges? This role will … kernels/drivers for custom platforms. Architecting, developing, testing and debugging system-level and hardware-dependent applications. Owning embedded code reviews and contributing to software infrastructure for seamless deployments. Participating in security, regulatory and compliance activities for medical‐grade systems. Performing risk analysis, identifying mitigations, verifying software ...

Software Engineer - Backend London (Occasional travel) Salary: Up to £85k + 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 solutions. This is an opportunity to shape … 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 ...