City of Westminster, England, United Kingdom · Hybrid
Role – Senior Software Full Stack Developer 6 Month TFC Manager – Lead Development Manager Location – London/Hybrid– 1 day a week in the office Role Overview As a Senior Developer, you’ll play a key role in designing and…
Skills: Java, C#, Bash, Python, Ruby
City of Westminster, England, United Kingdom · Hybrid
The Enterprise Technology Services organization partners with every part of the American Express business to power the company’s growth and innovation with trust and efficiency, and drive competitive differentiation with…
Skills: Software engineering, Service delivery, Network protocols, Scripting languages, Python
City of Westminster, England, United Kingdom · Hybrid
$40k–$50k/yr
The Company: Stream is on a mission to bring better financial wellbeing to frontline workers. We partner with some of the world’s most famous employers, like Bupa, Burger King, Green King and the mighty NHS to give their…
Skills: Accounts payable, Accounts receivable, Bank reconciliations, Invoicing, Cash management
City of Westminster, England, United Kingdom · Hybrid
About The Role: Reporting to the Deputy Financial Controller, this is a senior role within the central Group Accounting team, operating in a fast-paced fintech environment where accuracy, ownership, and the ability to na…
Skills: Management accounting, Financial reporting, UK GAAP, IFRS, NetSuite
Barcelona, Catalonia, Spain · On-site
Craft: Technology & Development Job Description: PM Growth Analytics – Senior Data Scientist, Incrementality Measurement We are looking for a Senior Data Scientist to join Growth Analytics in a hands-on role focused on u…
Skills: Causal Inference, Incrementality Measurement, MMM, GeoLift, Python
City of Westminster, England, United Kingdom · Hybrid
Pythia Sports is a fast-growing technology company, delivering innovative solutions to the gaming industry since 2019. Our business is all about predictive sports modelling, underpinned by extensive use of a wide and eve…
Skills: Engineering management, Java Spring, Kafka, Cloud native development, AWS
City of Westminster, England, United Kingdom · Hybrid
Company culture Transparity is a fast-growing IT company focusing on Microsoft Cloud based solutions. Our culture has an enviable reputation in the industry which we work hard to maintain. We are focused on creating an i…
Skills: Accounts receivable, Credit control, Collections, Billing, Cash allocation
City of Westminster, England, United Kingdom · Hybrid
The Enterprise Technology Services organization partners with every part of the American Express business to power the company’s growth and innovation with trust and efficiency, and drive competitive differentiation with…
Skills: Golang, Java, Spring Boot, React.js, TypeScript
City of Westminster, England, United Kingdom · Hybrid
Location Hybrid – UK Duration of the contract: 3 months Role Overview We are looking for an experienced C#/.NET & Angular Full Stack Engineer to join an exciting team developing the next generation of a Mid-Sized Fleet T…
Skills: C#, .NET, Angular, Full stack development, Cloud applications
Barcelona, Catalonia, Spain · On-site
Craft: Data, Analytics & Strategy Job Description: Principal AI Solutions Engineer The ACE team (AI Center of Excellence at King) accelerates King’s AI transformation by enabling teams to safely and productively adopt AI…
Skills: AI Solutions Engineering, LLM Integration, Generative AI, Python, Cloud Infrastructure
Barcelona, Catalonia, Spain · On-site
Craft: Data, Analytics & Strategy Job Description: Senior Principal AI/ML Engineer – Decision Automation Candy Crush Saga | King Are you motivated by building the shared decisioning foundations for how a live game learns…
Skills: Artificial Intelligence, Machine Learning, Decision Automation, Causal Inference, System Architecture
City of Westminster, England, United Kingdom · Hybrid
About the Role We are looking for an experienced Senior Platform Engineer to design, build and evolve the cloud platform that powers Full Health Medical. This is a senior, hands-on engineering role responsible for the in…
Skills: AWS, Kubernetes, Terraform, Infrastructure as Code, GitOps
Barcelona, Catalonia, Spain · On-site
Craft: UX & UI Job Description: King is one of the most successful mobile companies in the world, entertaining millions of players every day, and we are always looking for people who are as excited as we are about making…
Skills: Leadership, Mentorship, QA Methodologies, Agile Workflows, Test Automation
City of Westminster, England, United Kingdom · Hybrid
Oliver Wyman – Tech Services - Associate & Engagement Manager WHO WE ARE Oliver Wyman is a global management consulting firm. We work with clients through their most defining moments, combining deep industry knowledge, s…
Skills: Strategic problem solving, Project management, Stakeholder management, Analytical skills, Synthesis skills
City of Westminster, England, United Kingdom · Hybrid
At Oliver Wyman, a Marsh (NYSE: MRSH) business, we bring deep industry insight, bold innovation, and a collaborative approach that cuts through complexity to help organizations navigate their most defining transformative…
Skills: Strategic Initiative Management, Project Management, AI Implementation, Executive Governance, Stakeholder Management
City of Westminster, England, United Kingdom · Hybrid
Company Description We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide, we create opportunity from complexity. Our teams of interdisciplinary expert…
Skills: Cyber security consulting, Security architecture, Risk management, AI security, Threat modelling
City of Westminster, England, United Kingdom · Hybrid
About The Role: We are seeking a commercially minded, highly analytical Treasury Manager to join Paysend’s Treasury team in London. This role combines hands-on treasury operations with strategic commercial impact, suppor…
Skills: Treasury operations, Liquidity management, Cash forecasting, FX operations, Financial risk management
City of Westminster, England, United Kingdom · On-site
An exciting opportunity has arisen for a Retail Systems Services Manager to join the Harrods Technology team. Based within our Knightsbridge retail environment, you will lead and inspire the Retail Systems Service (RSS) …
Skills: Retail systems, Point of sale, IT service management, Incident management, Change management
City of Westminster, England, United Kingdom · Hybrid
Who we are: We're one of Europe's fastest-growing fintech companies – on a mission to create the world's most empowering way to pay. We launched the product in 2020 and achieved double unicorn status, valued at $2 billio…
Skills: Financial reporting, Audit management, Treasury management, IFRS, Corporate finance
City of Westminster, England, United Kingdom · Hybrid
Overview Stats Perform is the market leader in sports tech. We provide the most trusted sports data to some of the world's biggest organizations, across sports, media, and broadcasting. Through the latest AI technologies…
Skills: Strategic HR, Talent Management, Succession Planning, Organizational Development, Employee Relations
City of Westminster, England, United Kingdom • Hybrid
Sign up with Clera and we'll reach out the moment a role actually fits you — no more spraying applications into the void.
You will design and develop high-quality software solutions while leading research activities and technical spikes to solve complex problems. Additionally, you will mentor other engineers and champion engineering best practices like TDD and BDD to ensure robust, scalable code.
The role requires expertise in Java or C# and scripting languages like Python or Bash, along with a strong background in cloud infrastructure and automated testing. A degree in Computer Science or equivalent experience is expected, alongside proven experience as a Senior Software Engineer.
Role – Senior Software Full Stack Developer 6 Month TFC
Manager – Lead Development Manager
Location – London/Hybrid– 1 day a week in the office
As a Senior Developer, you’ll play a key role in designing and developing high quality software solutions that directly support product and business objectives. You’ll work closely with Principal Engineers and Architects to define and champion engineering best practices, using your expertise in programming languages such as Java and C#, alongside scripting languages including Bash, Python or Ruby. We’re looking for someone who is proactive, results oriented and takes genuine ownership of technical challenges, leading research activities, technical spikes and proof of concepts to explore new ideas and identify effective solutions to complex problems.
Quality will be at the heart of everything you do. You’ll lead troubleshooting and issue resolution throughout the software development lifecycle, ensuring the solutions you deliver are robust, scalable, maintainable and production-ready. You’ll champion Test-Driven Development (TDD), Behaviour-Driven Development (BDD) and automated testing practices to maintain high standards of code quality and coverage. Through code reviews, pair programming and collaborative engineering practices, you’ll help establish a culture of continuous improvement and technical excellence. Experience developing within CI pipelines and following modern engineering and delivery best practices would be highly desirable.
Beyond your own development work, you’ll be an important technical leader within the team, supporting, coaching and mentoring other engineers while helping to raise engineering standards. Excellent communication and the ability to work collaboratively across multidisciplinary teams will be essential, as you’ll work closely with Product Owners, Engineers and Testers to define clear acceptance criteria and deliver high-quality software from inception through to production. Experience working with cloud-based infrastructure, particularly AWS services such as EC2, S3, Lambda, SQS/SNS and EventBridge, would be a strong advantage.
You will have:
Expertise in object-oriented programming languages (Java, C#)
Expertise in scripting languages: Bash, Python or Ruby
Test-driven development practices (TDD, BDD, etc.)
Excellent communicator and ability to work collaboratively in a team environment.
Test-driven development practices (TDD, BDD, etc.)
Proactive, and result oriented.
Developing using CI pipelines and best practices.
Developing in cloud-based infrastructure; ideally AWS cloud services including EC2, S3, Lambda, SQS/SNS and EventBridge.
A degree in Computer Science, Software Engineering, or a related field or similar work based experience.
Proven experience as a Senior Software Engineer ideally with a focus on media-related projects.
Very good working knowledge of standard software development frameworks, techniques and methodologies.
Experience with providing coaching and mentoring
Ability to work collaboratively in a team, contributing to the development of business scenarios.
Knowledge of software development tools and technologies.
You are flexible and curious in your approach
Strong analytical and problem-solving skills
MAC, Windows
Duration of the contract: initially 6 months with the possibility of extension – contract FTC (full-time)
Application Process: In addition to our standard recruitment process (see below) you will be invited to a final online face-to-face meeting with our client, for you to meet them and learn more about the role.
25 days holiday, plus bank holidays plus birthday paid each year
Sick leave following probation (20 days per each rolling period each year)
Pension contribution is 10% employer from qualifying earnings following auto enrolment after 3 months service
Private medical insurance via AXA after 6 months of service
Life assurance (5 x salary) after 6 months' service
Access to Perks At Work after 6 months service
Access to a free Eye voucher with Specsavers and a Flu vaccination with Boots
Access to the cycle-to-work scheme
Enhanced parental leave
We enable our clients to thrive, thanks to a combination of technical proficiency and domain-specific knowledge.
Spyrosoft is a group of companies providing consulting and software development services in segments including Automotive, HR Tech, EduTech, Finance, Geospatial, Healthcare & Life Sciences, Industry 4.0, Renewable Energy, Media and Robotics. The Group offers a one-stop shop approach as it operates within a wide range of specialities – from Enterprise and Embedded Software Engineering, AI/ML, Cloud and Cybersecurity, to HMI or Ecommerce, Low-code and CRM Platforms. Spyrosoft is a global company with over 1900 specialists on board and 20 offices in 9 countries. The firm has been included in the Financial Times ranking of 1000 fastest-growing companies for three consecutive years: 2021, 2022 and 2023.
Offices: Pl. Nowy Targ 28, Wrocław, Dolnośląskie 50-141, PL · Grada Vukovara 284, Ulaz B, 4. kat, Zagreb, 10000, HR · Zablocie 43a, Kraków, Małopolskie 30-701, PL · Świętojańska 12A, Białystok, Podlaskie 15-082, PL · 301 East Liberty Street, Suite 500, Ann Arbor, MI 48104, US
There are currently 168 open technology positions in City of Westminster, United Kingdom listed on Clera. New openings are added daily as companies post roles.
Companies currently hiring include American Express, NCC Group, PA Consulting, YAVICA, Zilch, among others. Browse the listings above to see every active employer.
Yes — 126 of the 168 open technology positions offer remote or hybrid work (15 remote, 111 hybrid).
Each listing links directly to the employer's application page. Apply early — fresh listings get the most recruiter attention in the first two weeks.
