Senior Full Stack Developer - 6-month Fixed Term Contract
Senior Full Stack Developer \- Shape Future Products \& Accelerate Scientific Discovery with Us!
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Singer Instruments empower scientists in laboratories in over 60 countries to accelerate their research efforts on global challenges. Were looking for a Senior Full Stack Developer to take ownership of translating complex product discovery specifications into production\-grade, highly scalable features for our new AI SaaS platform
The Role
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Supported by a newly secured public funding grant, we are initialising an intensive engineering phase to transition a laboratory\-validated technical imaging technology from a Proof of Concept (TRL 4\) into a commercially viable TRL 7 multi\-tenant AI SaaS platform. The platform leverages advanced machine learning models to automate high\-precision feature detection, image normalisation, and automated data analysis.
You will be responsible for designing, implementing, and deploying both the user\-facing client applications and the robust server\-side architectures for the SaaS platform
What you'll bring to our team (key contributions)
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You will take ownership of the end\-to\-end technical construction of the SaaS web application, translating complex product discovery specifications into production\-grade, highly scalable features.* Design, develop, and maintain robust, scalable software solutions across the entire technology stack.
- Build and maintain secure RESTful APIs, manage database schemas, and optimize server\-side logic.
- Implement responsive, intuitive user interfaces and deliver a seamless user experience using modern frameworks.
- Lead code reviews, enforce best practices, and provide technical guidance and mentorship to junior members of the team.
- Work closely with Product \& Project managers, UX/UI designers, and other engineers in an Agile environment.
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- Proven experience building, scaling, and maintaining multi\-tenant SaaS platforms, including user subscription workflows and strict multi\-tenant data isolation.
- 5\+ years of commercial full\-stack software engineering experience.
- Extensive, expert\-level experience with cloud platforms, specifically Amazon Web Services (AWS). You must be comfortable managing, scaling, and architecting systems using core services like AWS EC2, AWS Lambda, and related infrastructure.
- Strong proficiency in both Python and Node.js to build secure, scalable, and resilient server\-side components.
- Deep expertise in React and modern state management tools for highly interactive, intuitive user interfaces.
- Advanced experience designing schemas and optimising complex queries in relational databases common on AWS, particularly PostgreSQL or MySQL (ideally via Amazon RDS or Amazon Aurora).
- Experience using tools like Terraform, AWS CloudFormation, or AWS CDK to define and deploy infrastructure programmatically.
- Strong ability to work with third\-party vendors, external APIs, and strategic tech partners to smoothly integrate external systems, software components, or infrastructure tools.
- Familiarity with leveraging AI\-driven engineering tools (e.g., GitHub Copilot, Claude) to optimise development speed and team delivery.
- Extensive experience working within fast\-paced Agile delivery teams using frameworks such as Scrum/Kanban, and expert\-level proficiency with project management tools, specifically Jira and Confluence.
- Intelligent AI Integration: Hands\-on experience embedding AI capabilities directly into platform features to drive user efficiency, specifically:
- + Building conversational chatbots and intelligent virtual assistants.
+ Implementing predictive text, smart autocompletion, or generative content tools.
- Hands\-on experience building automated build, test, and deployment workflows using GitHub Actions, GitLab CI, or AWS CodePipeline.
- Knowledge of implementing secure authentication protocols and protecting against vulnerabilities.
- Understanding of data protection regulations such as GDPR and security frameworks like SOC 2\.
- Experience setting up observability tools like Datadog, New Relic, or AWS CloudWatch to track system health and latency.
- Experience writing thorough automated tests using Jest, React Testing Library, Cypress, or Playwright.
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You will bring 5\+ years of commercial full\-stack software engineering experience to the role. Crucially, while this outlines typical pathways, your unique journey matters more than just a qualification.
Mandatory Grant Compliance \& Eligibility
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To comply with the strict terms of our public funding body, all applicants must meet the following baseline criteria:
- Sovereignty Status: Candidates must possess an absolute, unrestricted right to work in the UK (UK Nationals preferred). We cannot offer visa sponsorship or international remote working arrangements.
- Geographic Restriction: Every hour of work and line of code must be executed strictly on UK soil. Working from overseas is contractually prohibited
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If you are ready to deliver a critical work package for this high\-velocity technical project starting 1 July 2026, please submit your CV and a brief summary of your technical background. Please explicitly state your eligibility to work under UK Sovereignty Status guidelines.
Diversity, Equality and Inclusion
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We encourage applications from all individuals and respect and appreciate differences and unique ways of thinking.
We are flexible and can adapt both our application and assessments by discussing your individual needs first.
About us
Singer Instruments, headquartered in Somerset on the edge of Exmoor, develop laboratory automation to accelerate research for scientists who want to make the world a better place. The company supports a global customer base, across a spectrum of interests such as healthcare, antibiotics, biofuels, renewable fabrics, and plant\-based alternatives to meat.
As an employee\-owned company, Singer puts their people first. Singer Instruments are very proud to have won the Somerset Business Awards Employer of the Year; By supporting our teams and investing in our people, we get the best results for our customers.
Staff are highly motivated by their global scientific impact and a shared value for company culture. Table football in the staff room, boules in the Japanese garden, and table tennis and barbecues on the deck form part of our working ethos. The atmosphere is relaxed, attitudes are positive, and nobody wears a suit. Work in a rapidly growing business should be fun, so Singer take any opportunity possible to celebrate success. Did somebody say BBQ?!
Holiday
Holiday: 25 days per year \+ 8 bank holidays (pro\-rata)
Zero\-notice time off for surf and sun
LOCATION
Singer R\&D, Minehead, Somerset
Remote
TYPE
Full\-time, 6\-Month Work Packages (Fixed\-Term Basis)
Strictly UK\-Based (Sovereignty Grant Constraints Apply)
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