4,577 Rails Developer jobs in the United Kingdom
Ruby on Rails Developer
Posted 6 days ago
Job Viewed
Job Description
Ruby Developer - FinTech - Up to 55k
I’m working exclusively with a scaling fintech client (so you won't hear this via another recruiter) who are expanding their footprint in the market. They’re looking for multiple Mid-Level Ruby Developers to join their small, collaborative team
Salary: £45,000 – £55,000
Working Arrangements : Hybrid in London (3 days a week in the office)
Tech Stack: Ruby on Rails, JavaScript, DevOps tooling's, AWS
This is a backend focused role although any frontend experience is a bonus.
It's a great opportunity to work on exciting projects in an environment which will support you and help you grow as an engineer. You will also be working very closely with their customers and this is experience that they really value.
If this is of interest, please get in touch ASAP - will be moving quickly!
Ruby Developer - FinTech - Up to 55k
Ruby on Rails Developer
Posted 6 days ago
Job Viewed
Job Description
Ruby Developer - FinTech - Up to 55k
I’m working exclusively with a scaling fintech client (so you won't hear this via another recruiter) who are expanding their footprint in the market. They’re looking for multiple Mid-Level Ruby Developers to join their small, collaborative team
Salary: £45,000 – £55,000
Working Arrangements : Hybrid in London (3 days a week in the office)
Tech Stack: Ruby on Rails, JavaScript, DevOps tooling's, AWS
This is a backend focused role although any frontend experience is a bonus.
It's a great opportunity to work on exciting projects in an environment which will support you and help you grow as an engineer. You will also be working very closely with their customers and this is experience that they really value.
If this is of interest, please get in touch ASAP - will be moving quickly!
Ruby Developer - FinTech - Up to 55k
Ruby on Rails Developer
Posted 10 days ago
Job Viewed
Job Description
Job Description:
We're looking for a Ruby on Rails Developer to build, enhance, and maintain scalable software systems that align with Sage's long-term business objectives. You'll work on meaningful products, solve complex technical challenges, and collaborate with cross-functional teams to deliver high-quality solutions. Experience with Ruby on Rails is essential; interest or experience in AI integration is a strong plus.
This is a hybrid role requiring 3 days per week in our Newcastle or Barcelona office.
Your First 90 Days
- 30 days - Get up to speed with our architecture, development tools, and team practices. Understand product goals and familiarise yourself with our codebase and deployment workflows.
- 60 days - Start contributing to core product development. Take ownership of well-defined features, write high-quality Ruby code, and collaborate with peers across engineering, product, and design.
- 90 days+ - Lead feature development from design to release. Drive improvements in performance and maintainability, mentor junior developers, and proactively suggest enhancements across the stack.
What You'll Do
- Build and maintain scalable software using Ruby on Rails
- Design and implement features, APIs, and integrations with modern technologies
- Collaborate with product owners, designers, and developers to deliver projects
- Participate in the full development lifecycle: design, development, testing, deployment
- Ensure clear documentation of code, logic, and technical decisions
- Continuously improve existing systems with a focus on performance and user value
- Mentor junior developers and contribute to a collaborative team culture
- Stay updated on relevant technologies, including AI and cloud tools
Meet the Team
You'll report to an Engineering Team Lead and work within a collaborative, cross-functional product team. You'll regularly interact with subject matter experts, designers, and other developers to build solutions aligned with business and user needs. The team promotes a supportive, agile working culture with a strong focus on technical excellence and mentorship.
How Success Will Be Measured
- Delivery of high-quality, scalable, and maintainable code
- Contribution to team goals and successful completion of sprint commitments
- Effective collaboration and communication across teams
- Proactive engagement in code reviews, documentation, and process improvement
- Mentorship and support of junior developers
- Continuous learning and application of new tools or technologies (e.g., AI, cloud)
Skills You'll Gain
- Deepened expertise in Ruby on Rails and modern backend architecture
- Experience working with cloud platforms like AWS
- Exposure to AI-related integration and emerging technologies
- Enhanced collaboration and leadership skills in a cross-functional agile environment
- Familiarity with frontend development (React) and monitoring tools (New Relic)
Key Responsibilities:
Snapshot of Your Day-to-Day
You'll write and review Ruby code, develop APIs, and solve technical problems that have real business impact. Expect to pair with team members, participate in stand-ups and sprint planning, and contribute to both new feature development and system optimisation.
Qualifications
- Solid hands-on experience with Ruby on Rails
- Strong understanding of software engineering principles and best practices
- Experience working in Agile environments (Scrum, XP)
- Proven ability to work autonomously and deliver results
- Strong collaboration and communication skills
Nice to Have
- Experience with JavaScript or React
- Familiarity with AWS or other cloud providers
- Exposure to monitoring tools like New Relic
- Interest or experience in AI integration
Learn more about our Product:
Sage, we offer you an environment where you can grow professionally without compromising your personal well-being. Our benefits package is designed to provide stability, flexibility, and balance:
- Benefits video - Comprehensive health, dental and vision coverage
- Work away scheme for up to 10 weeks a year
- On-going training and professional development
- Paid 5 days yearly to volunteer through our Sage Foundation
- Flexible work patterns and hybrid working
#LI-AL2
Function:
Product Delivery
Country:
United Kingdom
Office Location:
Newcastle
Work Place type:
Hybrid
Advert
Working at Sage means you're supporting millions of small and medium sized businesses globally with technology to work faster and smarter. We leverage the future of AI, meaning business owners spend less time doing routine tasks, like entering invoices and generating reports, and more time pursuing their ambitions.
Our colleagues are the best of the best. It's why we were awarded 2024 Best Places to Work by Glassdoor. Because to achieve extraordinary outcomes, we need extraordinary teams. This means infusing Sage with people who knock down barriers, continuously innovate, and want to experience their potential.
Learn more about working at Sage:sage.com/en-gb/company/careers/working-at-sage/
Watch a video about our culture:youtube.com/watch?v=qIoiCpZH-QE
We celebrate individuality and welcome you to join us if you embrace all backgrounds, identities, beliefs, and ways of working. If you need support applying, reach out
Learn more about DEI at Sage:sage.com/en-gb/company/careers/diversity-equity-and-inclusion/
Equal Employment Opportunity (EEO)
Sage is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities.
In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Sage will be based on merit, qualifications, and abilities. Sage does not discriminate in employment opportunities or practices on the basis of race, color, religion, sex, national origin, age, protected disability, veteran status, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable law.
Backend Developer
Posted today
Job Viewed
Job Description
London (GB)
Octopus Electroverse – Software Engineering /
Full-time /
Hybrid
We're making electric vehicle ownership as smart and simple as possible, by building the world's largest public charging platform.
In just four years, Octopus Electroverse has grown to become one of the largest eMobility players globally, with over 1,000,000 connected electric vehicle chargers and a customer ecosystem spanning web, iOS, Android, CarPlay, Android Auto & Automotive OS, and more.
But it's just the start: we're busy expanding internationally, working with more automotive and tech partners, building exciting new features at scale, and creating the integrated charging experiences of the future - all in the name of making public EV charging super simple for customers.
Electroverse is a multifunctional team made up of product, development, commercial, operations, marketing, partnerships teams, and more - all focused together on making Octopus the go-to name in EV charging. And we're looking for smart individuals with an interest in the space who can help us make it happen.
This Role:
We're looking for someone who's passionate about code, curious, and eager to learn. You'll be working alongside the backend team that provides services for our Electroverse ecosystem in the electric vehicle and electrification space with focus on helping develop the core functionality of our business. You'll help us develop solutions for processing payments, analyse financial traffic and aid us in detecting suspicious activity.
Our project is establishing itself as the leading e-mobility provider solution within the industry and we want to take it to the next level. This means we're working on big features which will give you the chance to have a huge impact and, given our ambitions in the electrification space, influence how the back-end scales to meet new challenges and create a wider ecosystem.
Overall, you'll work with a small, high-energy project team to bring the product to life - an exciting opportunity to work like a start-up within a rapidly scaling EnTech business.
What You'll Do…
- Help us improve the core product by developing and improving our financial system
- Help improve the accuracy of our financial reporting and payment success rates across our existing and potential payment providers
- Build tools to detect and monitor fraudulent operations, help develop risk analysis and prevent malicious behaviour
- Work as part of a larger cross-functional team to deliver the best quality product for our clients
- Support the Operations team in resolving payments-related customer issues and the Financial team in building accurate reporting systems
What You'll Have.
- Passion to create something amazing, and the mindset to learn and grow with the company
- A strong understanding of the Python and Django ecosystems with 3+ years of experience
- Knowledge of payment providers, e.g. Stripe / Adyen / WorldPay
- Experience with Fraud and Risk analysis
- Experience with KYC/KYB products and flows
- Experience with billing and invoicing flows
- Experience with monitoring and debugging applications and infrastructure
- Experience maintaining asynchronous processing systems (AMQP, Celery)
- An ability to discuss vision and features within a team and propose creative solutions
- Knowledge of common security practices
- Familiarity with continuous integration and continuous deployment
- An ability to write robust and fault-tolerant software
- Proficient understanding of Git
If this sounds like you then we'd love to hear from you.
Are you ready for a career with us? We want to ensure you have all the tools and environment you need to unleash your potential. Need any specific accommodations? Whether you require specific accommodations or have a unique preference, let us know, and we'll do what we can to customise your interview process for comfort and maximum magic
Studies have shown that some groups of people, like women, are less likely to apply to a role unless they meet 100% of the job requirements. Whoever you are, if you like one of our jobs, we encourage you to apply as you might just be the candidate we hire. Across Octopus, we're looking for genuinely decent people who are honest and empathetic. Our people are our strongest asset and the unique skills and perspectives people bring to the team are the driving force of our success. As an equal opportunity employer, we do not discriminate on the basis of any protected attribute. Our commitment is to provide equal opportunities, an inclusive work environment, and fairness for everyone.
Backend Developer
Posted 2 days ago
Job Viewed
Job Description
Job Description:
This role offers the opportunity to contribute to core backend services that support our cloud-based products. You'll work within a collaborative engineering team, building scalable APIs and enhancing platform capabilities. You'll gain exposure to domain knowledge, modern tooling like GitHub Copilot, and cross-team collaboration, while continuously developing your technical skills.
Role Summary
As a Software Engineer (Backend), you will develop, maintain, and improve backend services in line with business and architectural standards. You'll work closely with senior engineers, product managers, and other stakeholders to deliver high-quality solutions while continuously improving your expertise.
Key Points
· Build and enhance backend services and APIs used across cloud platforms.
· Collaborate within cross-functional squads.
· Work with modern tools like GitHub Copilot.
· Opportunity to contribute to technical discussions and own smaller features or components.
· Personal development days to upskill and explore new technologies.
** This is a hybrid position - you will work 3 days a week from our Newcastle office. **
Key Responsibilities:
· Develop and maintain backend systems, APIs, and microservices.
· Collaborate with senior engineers and product teams to implement features.
· Participate in code reviews and follow clean coding and testing practices.
· Contribute to system improvements and bug fixes.
· Write and maintain basic technical documentation.
· Participate in Agile ceremonies and team planning.
· Grow toward ownership of components and feature delivery.
Essential Skills (Must-Haves)
· Solid hands-on experience with C#, .NET Framework, and MySQL.
· Understanding of microservices and RESTful APIs.
· Basic understanding of event-driven architecture.
· Experience working in an Agile/Scrum environment.
· Good problem-solving skills and ability to work collaboratively in a team.
Secondary Skills (Nice-to-Haves)
· Exposure to AWS or other cloud platforms.
· Familiarity with BDD or automated testing frameworks.
· Understanding of CI/CD pipelines.
#LI-JM2
Function:
Product Delivery
Country:
United Kingdom
Office Location:
Newcastle
Work Place type:
Hybrid
Advert
Working at Sage means you're supporting millions of small and medium sized businesses globally with technology to work faster and smarter. We leverage the future of AI, meaning business owners spend less time doing routine tasks, like entering invoices and generating reports, and more time pursuing their ambitions.
Our colleagues are the best of the best. It's why we were awarded 2024 Best Places to Work by Glassdoor. Because to achieve extraordinary outcomes, we need extraordinary teams. This means infusing Sage with people who knock down barriers, continuously innovate, and want to experience their potential.
Learn more about working at Sage:sage.com/en-gb/company/careers/working-at-sage/
Watch a video about our culture:youtube.com/watch?v=qIoiCpZH-QE
We celebrate individuality and welcome you to join us if you embrace all backgrounds, identities, beliefs, and ways of working. If you need support applying, reach out
Learn more about DEI at Sage:sage.com/en-gb/company/careers/diversity-equity-and-inclusion/
Equal Employment Opportunity (EEO)
Sage is committed to Equal Employment Opportunity and providing reasonable accommodations to applicants with physical and/or mental disabilities.
In order to provide equal employment and advancement opportunities to all individuals, employment decisions at Sage will be based on merit, qualifications, and abilities. Sage does not discriminate in employment opportunities or practices on the basis of race, color, religion, sex, national origin, age, protected disability, veteran status, sexual orientation, gender identity, genetic information, or any other characteristic protected by applicable law.
Backend Developer
Posted 14 days ago
Job Viewed
Job Description
Siamo alla ricerca di un Backend Developer esperto, con una solida esperienza nello sviluppo di API e sistemi distribuiti, da inserire in un progetto innovativo nel settore dei servizi finanziari digitali.
Responsabilità principaliProgettare, sviluppare e mantenere API RESTful in TypeScript e C#
Gestire e ottimizzare database SQL (MS SQL) e NoSQL (Firebase, CosmosDB)
Integrare modelli di AI e Machine Learning per potenziare le funzionalità delle applicazioni
Collaborare con il team frontend per garantire un’integrazione fluida tra i sistemi
Implementare strategie di scalabilità , sicurezza e performance per le applicazioni backend
Scrivere codice pulito, documentato e testato seguendo le best practice di sviluppo
RequisitiAlmeno 5 anni di esperienza nello sviluppo backend
Ottima conoscenza di TypeScript/Node.js , C# e MS SQL
Esperienza con framework backend e servizi cloud (Azure o Google Cloud)
Familiarità con ambienti FaaS/PaaS e con pipeline CI/CD
Buone capacità di comunicazione e inglese professionale
Conoscenza del settore finanziario (trading online, banking o criptovalute come plus)
PlusEsperienza con microservizi e architetture serverless
Conoscenza di strumenti di monitoraggio e logging
Esperienza con strumenti di testing automatizzato
Cosa offriamoProgetti tecnologicamente stimolanti in un contesto finanziario in crescita
Collaborazione con team altamente qualificati
Ambiente di lavoro flessibile e orientato all’innovazione
Opportunità di crescita e formazione continua
Il presente annuncio è rivolto ad entrambi i sessi e a persone di tutte le età e le nazionalità.I dati saranno trattati e conservati esclusivamente per le finalità di questa o future selezioni, nel rispetto della Legge federale sulla protezione dei dati (LPD) e garantendo i diritti di cui all'art. 13 del Regolamento UE 679/16 (GDPR).
Lead Backend Developer
Posted 1 day ago
Job Viewed
Job Description
Description & Requirements
Electronic Arts creates next-level entertainment experiences that inspire players and fans around the world. Here, everyone is part of the story. Part of a community that connects across the globe. A place where creativity thrives, new perspectives are invited, and ideas matter. A team where everyone makes play happen.
The future of entertainment is interactive, and our Ventures Group plays an important role in this future by building content, culture, and community that take us Beyond Gaming. We empower audiences to Play, Create, Watch, and Connect across our amazing franchises and experiences, including The Sims, Madden NFL, EA SPORTS FC, Apex Legends, and Battlefield. We’re a multi-functional group, with world-class expertise in building fandom, driving interactive storytelling, and positioning our franchises at the centre of the broader entertainment ecosystem.
We are seeking a Lead Backend Developer to lead and scale our backend systems powering next-generation social and gaming experiences. You will bring deep expertise in high-performance, cloud-native services and lead a talented engineering team in delivering resilient, scalable platforms that support rapid innovation and global reach.
This is a hybrid based role, working 3 days in either our Southam or Guildford offices.
Key Responsibilities:
- Drive the technical direction and architecture of backend systems supporting live services and social experiences.
- Lead and mentor a high-performing team of backend engineers, promoting technical excellence and growth.
- Drive engineering execution and prioritise scalable, secure, and performant system design.
- Collaborate closely with product, design, and frontend teams to deliver end-to-end features.
- Make architectural decisions across technologies including C#, Kubernetes, AWS, SQL, PostgreSQL, and MongoDB.
- Support our DevOps team with defining best practices and the overseeing of CI/CD pipelines as well as observability tools for backend operations.
- Foster a strong culture of agile development, code quality, and continuous improvement.
- System performance, uptime, and scalability across live production environments.
- Velocity and quality of backend feature delivery in alignment with product roadmaps.
- Engineering team health, retention, and technical development.
- Ability to support rapid iteration without compromising backend reliability or security.
- 10+ years of experience in backend systems development, ideally with large-scale, cloud-based platforms.
- 5+ years in technical leadership roles, including managing backend-focused engineering teams.
- Deep knowledge of C#/.NET, Kubernetes orchestration, and AWS services.
- Strong experience with data storage technologies including relational (SQL, PostgreSQL) and NoSQL (MongoDB) databases.
- Experience with C++ is considered beneficial.
- Proven ability to balance fast feature delivery with building for long-term scalability and maintainability.
- Skilled in CI/CD, automated testing, service monitoring, and incident response.
- Familiarity with modern dev practices including trunk-based development and microservices architecture.
- Experience with Microsoft's Orleans framework is a bonus.
- Collaborative leader with a passion for building innovative, high-impact products.
- Excellent communicator able to translate complex technical concepts into clear direction.
- Committed to building inclusive, high-performance teams that thrive on trust and autonomy.
About Electronic Arts
We’re proud to have an extensive portfolio of games and experiences, locations around the world, and opportunities across EA. We value adaptability, resilience, creativity, and curiosity. From leadership that brings out your potential, to creating space for learning and experimenting, we empower you to do great work and pursue opportunities for growth.
We adopt a holistic approach to our benefits programs, emphasizing physical, emotional, financial, career, and community wellness to support a balanced life. Our packages are tailored to meet local needs and may include healthcare coverage, mental well-being support, retirement savings, paid time off, family leaves, complimentary games, and more. We nurture environments where our teams can always bring their best to what they do.
Electronic Arts is an equal opportunity employer. All employment decisions are made without regard to race, color, national origin, ancestry, sex, gender, gender identity or expression, sexual orientation, age, genetic information, religion, disability, medical condition, pregnancy, marital status, family status, veteran status, or any other characteristic protected by law. We will also consider employment qualified applicants with criminal records in accordance with applicable law. EA also makes workplace accommodations for qualified individuals with disabilities as required by applicable law.
Be The First To Know
About the latest Rails developer Jobs in United Kingdom !
Senior Backend Developer
Posted today
Job Viewed
Job Description
Location: This is a homebased role with headquarters in Southampton.
Senseye Predictive Maintenance is a cloud-based solution that leverages advanced machine learning to revolutionize industrial maintenance. Our web application helps manufacturers reduce downtime, optimise maintenance schedules, and improve sustainability by providing real-time insights into equipment health and maintenance requirements.
We are seeking an ambitious and versatile senior Backend Developer who is comfortable working on data intensive applications. They will be responsible for the design, implementation, testing and roll out of new features and services within our service-orientated architecture. You will be involved in collaborating with the rest of the team to come up with innovative solutions to complex problems. Culturally, we pride ourselves in our agility - we practise continuous deployment and benefit from high levels of autonomy and trust.
You'll make a difference by:
- Design, develop and deploy across a large micro-service architecture, whilst addressing challenges of scalability and reliability
- Engage with product and front-end teams to build new product features and improve existing functionality
- Work alongside other engineers, collaborating on architecture and technology decisions
- Share your technical expertise across the engineering team
- Writing clean code whilst working on difficult problems under the pressure of deadlines
You'll win us over by:
- Bachelor's or higher Degree in Computer Science or related field
- Experience with building enterprise-grade software utilising Golang and Python
- Familiarity with cloud technologies: Azure, AWS, Terraform, Docker, Kubernetes
- Deep knowledge of software engineering principles: object-oriented design, algorithmic complexity, software design patterns
- Experience working as part of a team on a rapidly growing application and codebase
Advantageous:
- Deploying Python and data science workloads to production
- Proficiency in database technologies including NoSQL (Mongo), caching solutions (Redis) or time-series (InfluxDB)
- Deep understanding of distributed system design patterns and protocol
What can we offer?
- Performance-Based Bonus: Enjoy an annual bonus linked to the company's performance
- Flexible Working Hours: Achieve a healthy work-life balance with our flexible working arrangements
- Pension Plan: Secure your future with our generous pension scheme, with employer contributions up to 10%.
- Time Off: Recharge and rejuvenate with 26 days of annual leave (plus bank holidays), and the option to buy or sell an additional 5 days
We are fully committed to providing equal opportunities and building an inclusive workplace where a broad range of backgrounds and perspectives thrive. We embrace the many ways people think, learn, and experience the world—because we know that diverse minds drive innovation. So that we can support you to be your best during the application and interview process, please let us know if you have any specific requirements.
Java backend Developer
Posted 1 day ago
Job Viewed
Job Description
Primary Skills
Strong programming skills in Java and Spring Boot.
Hands-on experience with Microservices architecture and RESTful APIs.
Proficiency with Kafka and distributed streaming systems.
Solid understanding of SQL and data modeling.
Experience with containerization (Docker) and orchestration (Kubernetes).
Working knowledge of Flink, Spark, or Databricks for data processing.
Familiarity with AWS services (ECS, EKS, S3, Lambda, etc.).
Basic scripting in Python for automation or data manipulation.
Senior Backend Developer
Posted today
Job Viewed