Full Stack Software Engineer (Focus 5 Recruitment)
Focus 5 Recruitment are working with an exciting software business who have just been awarded 2 large contracts with international Mobile Network Operators. Appointed to help them source suitable Full Stack Software Engineers, we’re looking for candidates who have experience of producing efficient code to enable the smooth and efficient running of both internal and client facing systems.
This is an amazing opportunity to work with a growing and ambitious software business who have contracts with some of the world’s leading mobile network companies. They are looking for candidates who can come in at a key point in their growth and develop their career as they grow. The Software Engineers will work as part of a team responsible for the complete development lifecycle.
* 3+ years of full stack development experience
* Strong Java
* Unit testing (with a side of TDD), Maven, Git and a sense of humor.
* Working in a team development environment
* Thorough understanding of Computer Science fundamentals such as Data Structures, Algorithms and Design Patterns
* Amazon Web Services, Azure, or Google Cloud Platform
* Kafka
* Jira
* Bitbucket
* Python
* MariaDB
* SQL and NoSQL technologies
You will have knowledge of software development and some exposure to mentoring junior Engineers would be a benefit. You will be happy solving technical problems for customers even if this means working with new technologies.
They have a vast array of already built products so candidates will have a lot of working product source code to help get started. Technical help also be provided on how their current products work. There is opportunity here to work with embedded software developers and the CTO on overall product. Client and Server are always developed collaboratively so there is an opportunity to contribute to overall product architecture.
You can expect interesting work, a very supportive organisation and team and many opportunities for on‑going technical and personal development.
This Full Stack Software Engineer role is now live with a key client. For full details and immediate consideration, please submit an application ASAP.
Mid/Senior Django / Full‑Stack Engineer (Europe or Africa based – Fully remote)
This is an exciting opportunity to work on a project for a US-based B2B SaaS client who has a very successful real estate CRM platform.
We’re looking for a Mid/Senior engineer with Python and Django experience (and some React) to join Overloop. We are a close-knit small team, committed to quality code, processes that work, honesty, and seeing things through to completion. A typical working day will involve a 20 minute catch up call to kick off the day, reviewing requirements and/or bug reports, coding, discussing over Slack and Google Hangouts, creating a github PR, getting the PR reviewed and seeing your code get to production to make a difference for our clients.
* Python, 4+ years
* Django, 3+ years
Experience in the following areas would be a benefit:
* React
* AWS
* SQL
* LLM
* Proactive mindset
* Problem solving
Approximate salary range - £55,000 - £60,000 per year - depending on experience. If you prefer to be a self employed contractor, we are happy to discuss hourly rates instead.
The successful candidate may also be required to be scheduled on a rota once a month for on‑call support work to fix any potential outages – this of course comes with additional payment to the above.
Please note that we cannot sponsor visas at this time.
Full Stack Engineer (Next & Nest) – Fully Remote – Cybersecurity Start‑Up
£65k - £90k (plus equity and benefits) depending on if you fill the mid‑level or senior‑level role. We are seeking 2 Engineers. The role is fully remote.
I am partnering with an international (New York, Singapore) well‑funded, analyst‑recognised cyber security scale‑up (nearly $30m raised) that helps large enterprises and critical infrastructure providers understand how they could be hacked in real time. Their platform blends threat intelligence, real attacker telemetry and automated red teaming to give security teams time to respond before attackers succeed.
* You will join a small, high‑calibre team building the core customer‑facing applications
* Design, build and maintain features across backend and frontend
* Turn product and design requirements into scalable, high‑quality code
* Collaborate with product, design and engineering to deliver seamless user experiences
* Solve challenges around performance, scalability and developer efficiency
* Help improve engineering standards, tooling and processes
* We are seeking two engineers, one mid‑level and one Senior‑level to build enterprise SaaS products across the full stack (cybersecurity experience is a strong plus)
* Backend: TypeScript, NestJS, REST APIs, GraphQL or similar ORM, MySQL and NoSQL, Kafka or similar
* Frontend: React, Next.js, TypeScript, Chakra UI, React Query (or similar), GraphQL integration
* Comfortable working with complex dashboards and data‑heavy UIs
* Able to interpret designs and flows from tools like Figma
* Experience in startups or high‑growth environments, with an ownership mindset and ability to thrive under pressure
Nice to have: AWS, Kubernetes, and knowledge of infrastructure/networking.
Senior Full Stack Engineer – Payments & Checkouts (Remote Europe – Up to £100K)
Maze has been retained by one of Europe's fastest‑growing platforms in the creator economy space to hire a Senior Full Stack Engineer for the Payments & Checkouts team.
* Design and build scalable financial systems, including global checkout and payout flows.
* Develop financial tooling such as fraud checks, reconciliation tools, reporting dashboards, and internal admin features.
* Integrate and optimise third‑party payment providers and alternative payment methods.
* Improve developer experience, ensuring financial systems are resilient, testable, and maintainable.
* Work cross‑functionally with product, design, compliance, and operations to align technical work with business priorities.
* Deliver reliable, high‑quality systems quickly in a fast‑scaling environment.
* Strong engineering experience with TypeScript, Node.js, React, and Postgres.
* Proven experience building or scaling high‑volume payment and payout systems.
* Ability to design complex, fault‑tolerant financial architectures.
* Hands‑on senior engineer who enjoys solving deep technical problems.
* Excellent communication and stakeholder management.
* Ability to move fast while maintaining quality, security, and compliance.
* High ownership, proactivity, and end‑to‑end delivery mindset.
* Background in creator economy or fintech.
* Shape the core financial infrastructure of a rapidly scaling global platform.
* Work on high‑impact systems that directly influence revenue, trust, and conversion.
* Competitive salary, equity, and benefits.
* Mission‑driven, high‑ownership culture with fast execution and transparency.
* Flexible working, strong wellbeing support, and recognition as a top workplace.
Location: Remote within Europe – quarterly team meetings in London.
This role does not provide sponsorship and you must be legally authorised to work in the country you currently reside in.
Full‑Stack Java Engineer (Mid‑to‑Senior) – Remote First
PhixFlow is an established (since 2004), highly respected company delivering a unique low‑code platform for complex data integration and business process automation. The customers we partner with include major Telcos, Utilities, and Financial Services, to solve their most intricate business challenges.
We are looking for a highly capable Full‑Stack Engineer who will serve as a core innovator driving the evolution of our PhixFlow platform across three critical areas:
* Enterprise Integration: Designing and implementing features for seamless data exchange with mission‑critical systems like SAP and Salesforce.
* Intuitive UX/DX (Developer Experience): Extending the platform's reach by designing and building highly intuitive user experiences for less technical business users.
* AI Integration: Researching and developing new features that integrate AI capabilities into the platform to enhance automation and decision‑making.
Your ability to learn quickly and reason through complex systems is critical, ensuring we balance innovation with performance, security, and usability.
Core Technical Skills Requested
* Proven experience working effectively within large, enterprise‑scale codebases.
* Solid proficiency in Java (deep server‑side development and platform architecture familiarity).
* Expertise in SQL and designing/optimising relational database schemas.
* Deep understanding of fundamental technical skills, including clean code principles and complex system design.
We understand that outstanding engineers require true work‑life balance and flexibility. We are a remote‑first company focused entirely on output and quality, not hours logged. We will consider candidates seeking flexible hours, reduced hours, or a compressed working pattern to fit around personal or family commitments.
* Working Pattern: Flexibility is Key: Available as Full‑Time (5 days) or equivalent to a 4‑day week (Salary adjusted pro‑rata).
* Salary Range (Full‑Time): £55,000 to £57,000 per annum.
* Development: 5 dedicated training days per year for professional growth.
* Time Off: 25 days plus bank holidays annual holiday, increasing for long service.
* Health & Finance: Company Pension contribution and private health insurance, including Dental and Optical and option to add family members.
* Well‑being: Active Well‑being Committee and Gym membership contribution.
* Team Connection: Weekly virtual coffee chats, regular social events, including an annual Company Christmas Meal.
* In‑Person: 4 team meetings per year in Cambridge, UK. Reasonable travel and accommodation costs can be fully expensed for those outside the Cambridge area.
* Equipment: All necessary equipment provided including Laptops, Screens, Chair and Sit‑Stand desk.
Application & Interview Process
We aim for a streamlined and efficient hiring experience that respects your time.
* Application: Submit your CV and a cover letter explaining your relevant experience, both from paid work or other open‑source projects you are involved with.
* Online Assessment: Successful applicants will be invited to complete a short intellectual challenge (logic test) designed to evaluate reasoning and problem‑solving aptitude.
* Interviews: We conduct up to two virtual interviews focusing on technical depth, cultural fit, and your approach to complex challenges.
Determining Salary within the Range
* £55,000 - £57,000: For candidates who meet the minimum skills and demonstrate strong learning aptitude, but require moderate ramp‑up time on the platform.
* £58,000 - £60,000: For highly experienced candidates who exceed the minimum requirements, have significant and demonstrated expertise in complex integration, and can immediately contribute to the innovation and architectural evolution of the PhixFlow platform.
Experience with, or a strong interest in, the following or similar technologies and concepts is highly valuable:
* Advanced Topics: AI/LLM (Large Language Models), Small Language Models, Fine Tuning, Security, Design Patterns.
Software Developer – COBOL to Java Conversion
As an IBM Application Architect, you directly help clients transform their business and solve complex problems. You will define the scope and vision for projects that deliver customized solutions using your knowledge of IBM platforms. You are a technical leader, serving as a liaison among business partners, technical resources, and project stakeholders.
The position will focus primarily on the delivery of the Software Conversion projects – using automated refactoring with CTU. The work involves responsibilities such as maintaining the Java support library, integrating new libraries, solution customization, and building automation around processes.
* Design Java solutions for modernising legacy applications
* Problem solving, including helping others
* Write well‑designed, testable code
* Deliver solutions within the fast‑paced project lifecycle.
* Spend most of the time on technical/coding activities, occasionally some team coaching activities.
Development is done mostly on Windows machines, and CTU is built on Eclipse.
Required technical and professional expertise
* 7+ years’ experience of Java Development
* Experience with Java libraries (Spring Framework, Guava, Apache Commons, Guice / Dependency Injection, JPA)
* Good SQL / ORM / Relational Databases knowledge
* MVS / COBOL / JCL
* Practical skills in CI/CD – some of Git, Maven, Gradle, Docker, Jenkins, Jira
* Good command of Test‑Driven Development
Preferred technical and professional experience
* Cloud / Kubernetes
* Performance Tuning
* Compilation technologies / ANTLR / XText
IBM is committed to creating a diverse environment and is proud to be an equal‑opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, gender, gender identity or expression, sexual orientation, national origin, caste, genetics, pregnancy, disability, neurodivergence, age, veteran status, or other characteristics.
Full Stack Developer (React, Next.js, Golang, GCP) – Backend Leaning – Consultancy
A Full Stack React, Golang Developer is needed for an exciting long‑term contract engagement with a high‑growth digital consultancy who partner closely with some of the UK’s most innovative product‑led organisations. This is a fully remote contract offering exceptional autonomy, client exposure, and the chance to deliver meaningful product enhancements within the fraud/AML domain.
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