32 senior software engineer jobs found

15 hours ago We are looking for a hands-on Senior Software Engineer to join our engineering team for a high-impact, 6-month project, with good chance of extensions and potential route to permanent if interested.   Reporting to the Head of Engineering, you will focus 100% on technical delivery, playing a pivotal role in designing, building, and delivering core components of our platform.   This is a fast-moving startup environment where you will write production-grade code and influence technical decisions to solve complex e-commerce logistics challenges.   Our Core Values We believe in direct and open communication. We encourage sharing opinions and debating ideas freely, without making it personal. As a fully remote company, we know clear and consistent communication is vital, and we make an extra effort to ensure we're understood not just by our immediate team, but by everyone. We are highly collaborative. Building a startup...

Joining a new project Ideally have worked on Financial Services Projects before (Payments would be great) Fullstack Experience Tech Stack - Kotlin Backend, JS/TS React Frontend Start date ASAP Duration 6 months (Likely to extend) 2/3 days / week in person working (London) Immediate Interviews   The best bit about Red Badger is, of course, the team. We are really proud of our people; we support and learn a lot from each other; we work really hard but have fun doing it. We are a diverse group made up of 22 different nationalities, speaking 17 different languages.   Our 3 founders, Dave, Cain and Stu, who have considerable tech and consultancy experience and still own 100% of the company. We've been consistently profitable and have grown responsibly from the beginning.   We are based at Old Street in the heart of "tech city" and get thoroughly stuck in with the brilliant community around...

We are looking for a hands-on Senior Software Engineer to join our engineering team for a high-impact, 6-month project, with good chance of extensions and potential route to permanent if interested.   Reporting to the Head of Engineering, you will focus 100% on technical delivery, playing a pivotal role in designing, building, and delivering core components of our platform.   This is a fast-moving startup environment where you will write production-grade code and influence technical decisions to solve complex e-commerce logistics challenges.   Our Core Values We believe in direct and open communication. We encourage sharing opinions and debating ideas freely, without making it personal. As a fully remote company, we know clear and consistent communication is vital, and we make an extra effort to ensure we're understood not just by our immediate team, but by everyone. We are highly collaborative. Building a startup requires a true...

We are GlobalLogic, a Hitachi Group Company and a leader in digital engineering. We help brands across the globe design and build innovative products, platforms, and digital experiences for the modern world. By integrating experience design, complex engineering, and data expertise - we help our clients imagine what’s possible and accelerate their transition into tomorrow’s digital businesses.   At GlobalLogic, we have a strong track record of successfully delivering ground-breaking Cloud, Data & Digital Transformation programmes and we have an international reach working with a wide variety of projects and customers. Our approach enables companies to “build the exceptional” and be fit for purpose in the 21st century.   We are seeking Contract Full-stack Platform Engineers to join a dedicated niche team delivering and evolving our clients' technology platforms. Entailing full lifecycle development with Kanban or Scrumban, with...

📍 Chelmsford (2x per month) 💰 £500 - £550 per day 📄 6 Month Contract   At Eurobase, we are continuing to evolve and modernise our core platform as part of an exciting transformation journey. With over 30 years of domain expertise, we are introducing a new API driven architecture alongside our existing Legacy system and are looking for a Senior Software Engineer to play a key role in that evolution.   We are seeking an experienced C# Backend Developer to help design and build a modern family of APIs over an existing SQL based Legacy platform, supporting our move towards a more modular, serviceoriented architecture.   You'll work closely with software engineers, testers, product specialists, and leadership stakeholders in a collaborative agile environment, contributing to both hands-on development and technical direction.   As a Senior Software Engineer, you will: Design, develop, and maintain scalable RESTful...

We are looking for a hands-on Senior Software Engineer to join our engineering team for a high-impact, 6-month project, with good chance of extensions and potential route to permanent if interested.   Reporting to the Head of Engineering, you will focus 100% on technical delivery, playing a pivotal role in designing, building, and delivering core components of our platform.   This is a fast-moving startup environment where you will write production-grade code and influence technical decisions to solve complex e-commerce logistics challenges.   Our Core Values We believe in direct and open communication. We encourage sharing opinions and debating ideas freely, without making it personal. As a fully remote company, we know clear and consistent communication is vital, and we make an extra effort to ensure we're understood not just by our immediate team, but by everyone. We are highly collaborative. Building a startup requires a true...

Senior Software Engineer (Contract) Base salary: £450 - £550 per day Employment type: Freelance/Contract Remote working: Remote (~ monthly office visits) Work from: Europe, United Kingdom Working Timezones: (UTC) London +/- 2 hours Visa sponsorship: Not available   Job Description We are looking for a hands-on Senior Software Engineer to join our engineering team for a high-impact, 6-month project, with good chance of extensions and potential route to permanent if interested. Reporting to the Head of Engineering, you will focus 100% on technical delivery, playing a pivotal role in designing, building, and delivering core components of our platform. This is a fast-moving startup environment where you will write production-grade code and influence technical decisions to solve complex e-commerce logistics challenges.   Our Core Values We believe...

We are seeking a passionate Software Engineering Manager who will provide technical expertise and operate with excellence. Being creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams - designing, building, releasing, and maintaining products. You will play a key role in driving our ambition to create a best-in-class software engineering team, environment, and culture. This is an initial 6 month contract (outside IR35) that requires you to work on client site 3 days a week in London, Paddington.   Your key accountabilities will include: • Team Management: Build, mentor, and manage a high-performing software engineering team. Foster a culture of collaboration, innovation, and continuous improvement within the team. Facilitate communication and collaboration among team members. Ensure budgets, people and resource allocation, and workload, balance across projects. • Agile Delivery:...

Description We are seeking a passionate Software Engineering Manager with a strong background in modern frontend engineering, particularly React, Next.js, and TypeScript, to provide technical leadership and operate with excellence. Creative, curious, and confident, you will be an integral part of our empowered, self-managing, multi-disciplinary engineering teams -designing, building, releasing, and maintaining high-quality digital products. You will play a key role in shaping and growing a best-in-class frontend engineering capability, establishing modern development practices and building scalable, high-performance web applications. This is an initial 6-month contract (outside IR35) requiring 3 days per week onsite in Paddington, London. Key Accountabilities Team Leadership Build, mentor, and lead a high-performing team of frontend engineers specialising in React, Next.js, and TypeScript. Foster a culture of collaboration, technical excellence, and...

Novatus is a Series B scale-up RegTech SaaS provider and boutique advisory practice, enabling financial services firms to solve complex challenges and redefine what’s possible through expert-led technology and consulting. Across both our technology and consulting services, Novatus delivers practical solutions to some of the most complex regulatory, data and operational challenges in financial services.   Our SaaS platform, En>ACT ( short for Ensuring Accurate, Complete and Timely reporting ), is a market-leading solution for regulatory transaction reporting and reconciliation, providing real-time, independent oversight of transaction reporting across all global regulatory regimes. En>ACT is the only real-time assurance solution that tests 100% of transactions and 100% of fields, replacing sample-based reviews and static PDF reports delivered months after the event with live, actionable insights. This helps firms remediate quickly, reduce risk, and meet...

Outside IR35 contract - 6 months - excellent day rate - remote Reapit - Who are we? Reapit is the original end-to-end business technology provider for estate agencies of all sizes. We've been helping sales and lettings agents build relationships and grow their businesses for more than 25 years. Our technology empowers property professionals across Europe, the Middle East, Australia, and New Zealand to work with buyers, sellers, tenants, and landlords to deliver a dream home experience. Worldwide, over 100,000 agents across more than 15,000 branches use Reapit to run their businesses, manage properties, collect rent, engage clients, and provide outstanding customer service every time. What you'll be doing Reporting to the Director of Engineering, you'll operate as a highly senior technically hands-on engineer, Embedded into a squad and frequently working Forward Deployed - direct with clients to understand, shape and ship solutions to their workflows. You'll...

Background: This role is critical to supporting legacy systems within Carer's Allowance. The Senior Test Engineer will lead and influence testing across complex legacy platforms, driving improvements in automation, test strategy and overall product quality. The postholder will work closely with software engineers, architects and DevOps colleagues to ensure testing is embedded within CI/CD pipelines and aligned to DWP best practice. *The project is a mix of microservices (focused on data capture) and a largely monolithic, batch-based system that processes data and file transfers. While there is a UI element, it is not a typical GDS-style setup, and the system has been refactored in Java. This is a complex role due to the blend of legacy and modern architecture*   As a Senior Test engineer , your main responsibilities will be to: Own, lead and influence testing activities and strategy for a complex, monolithic, batch-based system. Design, build and...

As a  Senior Devops Engineer , your main responsibilities will be:   Essential: Exceptional analytical and problem-solving abilities. Demonstrated proficiency in understanding end-to-end systems, including integration and dependencies with other services, to deliver comprehensive solutions. Demonstrated expertise in configuring, enhancing, and patching software applications to ensure optimal performance and reliability. Extensive experience in conducting user acceptance testing for applications, ensuring alignment with business requirements and delivering high-quality stable solutions. Advanced skills in scripting and programming languages, such as Bash and Python. Excellent communication skills, with the ability to engage effectively with stakeholders at all levels. Deliver technical assurance to the technical leadership team, including the Lead Technical Architect and LeadDevOps Engineer, empowering informed strategic decision-making....

Key Responsibilities Design, develop, and maintain automated test frameworks with a primary focus on  Cypress Create and execute automated test cases for UI and API layers Perform API testing (REST/JSON), including validation, integration, and regression scenarios Use SQL to retrieve, validate, and analyze data from databases for testing purposes Manage and maintain test data, ensuring consistency and reliability across environments Collaborate closely with developers, Product Owner to ensure quality at every stage of development Integrate automated tests into CI/CD pipelines using Azure DevOps Analyze test results, identify defects, and support root cause analysis Contribute to test strategy, quality standards, and best practices across the team Support release processes and production validation when required Required Qualifications Proven experience as an...

Location Manchester - DWP office 1 day per week Work Pattern Hybrid Rate £450 per day IR35 Status Inside IR35 Clearance BPSS required Overview We are seeking an experienced Senior Test Engineer to support the delivery of high-quality digital services within a large-scale public sector environment. This role is suited to a strong automation-focused Test Engineer with hands-on experience using Java or JavaScript, a solid understanding of modern engineering practices, and the ability to work closely with developers, delivery teams and wider stakeholders to embed quality throughout the software development life cycle. You will be expected to contribute to automated test strategy, support shift-left testing practices, and help ensure services are reliable, secure, accessible and performant. Key Responsibilities: - Design, develop and maintain automated test frameworks and test suites. - Work with engineering teams to embed testing...

ONYX Insight is looking for an experienced Data Scientist to join our Advanced Analytics team on a 6‑month contract, supporting the development of AI‑powered solutions for condition monitoring and predictive maintenance of wind‑turbine assets. The Role You will work with a cross‑functional team of Data Scientists, ML Engineers, Software Developers and domain experts, applying advanced analytics and machine‑learning techniques to large, real‑world datasets. This includes high‑frequency vibration data, SCADA data, and recorded turbine failure data. The focus of this contract is hands‑on delivery — developing, validating and deploying models that generate actionable insights for wind‑farm owners and operators. Key Responsibilities Develop and optimise AI‑driven algorithms to detect, diagnose and predict wind‑turbine failure modes Apply signal‑processing, reliability‑engineering and machine‑learning techniques to real operational data Build...

The Department for Work and Pensions (DWP) is responsible for welfare, pensions, and child maintenance policy. As the UK's biggest public service department, it administers the State Pension and a range of working age, disability and ill health benefits to around 20 million claimants and customers. As such, we operate on a scale that is almost unmatched anywhere in Europe and most people in Britain come into contact with us at some point in their lives.   Working with DWP, you will be helping us to drive our priorities to:   Help people to move into work and support those already in work to progress, with the aim of increasing overall workforce participation Help people to plan and save for later life, while providing a safety net for those who need it now Provide effective, efficient, and innovative services to the millions of claimants who rely on us every day, including the most vulnerable in society Improve experience of our services while...

In this role you will provide technical leadership in the re-design, development and translation, maintenance, and support of existing specialised scientific software applications into an updated code base to enable easier scientific changes and maintenance of existing capabilities.   As a Scientific Software Engineer your main responsibilities will be to:   Proficiently provide deep and/or broad scientific and technical insight into the re-coding of legacy scientific software into supportable code. Engage with internal and/or external users alongside the Project and Product roles in the team to understand the requirements for your work and significantly contribute to the development and evaluation of plans to meet these requirements. Apply, promote, and support good Quality Assurance processes, best practice and standards in both your and others' work to ensure agreed standards are maintained and support collaborative team ways of working....

Core Purpose  Join DWP's Digital Payment Services team on a major, multi-year transformation programme modernising one of the UK's largest and most critical payment platforms. As the UK's biggest payer, supporting over 22 million citizens and processing approximately £230 billion in payments annually, this programme is re-platforming core systems to improve resilience, scalability and future innovation across government services.   As part of an Agile delivery team, you will support the delivery of applications across AME Payments, contributing to the reliability and performance of critical citizen-facing services.   As a Test Engineer , your main responsibilities will be to: Test applications that underpin critical citizen services, ensuring usability, accessibility, security, stability and performance. Build and maintain robust automated test frameworks and test suites. Identify, log and support resolution of defects impacting...

Core Purpose  Join DWP's Digital Payment Services team on a major, multi-year transformation programme modernising one of the UK's largest and most critical payment platforms. As the UK's biggest payer, supporting over 22 million citizens and processing approximately £230 billion in payments annually, this programme is re-platforming core systems to improve resilience, scalability and future innovation across government services.   As part of an Agile delivery team, you will support the delivery of applications across AME Payments, contributing to the reliability and performance of critical citizen-facing services.   As a Test Engineer , your main responsibilities will be to: Test applications that underpin critical citizen services, ensuring usability, accessibility, security, stability and performance. Build and maintain robust automated test frameworks and test suites. Identify, log and support resolution of defects impacting...