51 to 75 of 156 Software Engineering Jobs in Essex

Software Engineer

Hiring Organisation
Stealth iT Consulting
Location
Colchester, Essex, UK
Employment Type
Full-time
culture that values innovation, learning, and diversity. Flexible hybrid working arrangements. Ready to apply? If you're a problem-solver with a passion for engineering elegant solutions in Java, and you want to work on projects that matter, we'd love to hear from you. ...

Technical Lead - Ruby, TypeScript, React

Hiring Organisation
Spectrum IT Recruitment
Location
Colchester, Essex, UK
Employment Type
Full-time
Technical lead – SaaS/AI scale up £90-£120k+ Benefits + Remote working A hands-on Tech Lead/Principal Software Engineer opportunity for an exciting tech business offering innovative products to a global customer base. The Tech Lead will remain hands-on in a full stack Ruby, Rails … Rails, TypeScript, React, AWS or similar stack Excellent problem-solving skills and the ability to work in a collaborative product led team Advocate for Software engineering best practice – Unit testing, CI/CD, Pair Programming etc Interested in working on complex problems with senior engineers The ability ...

Technical Lead - Ruby, TypeScript, React

Hiring Organisation
Spectrum IT Recruitment
Location
Basildon, Essex, UK
Employment Type
Full-time
Technical lead – SaaS/AI scale up £90-£120k+ Benefits + Remote working A hands-on Tech Lead/Principal Software Engineer opportunity for an exciting tech business offering innovative products to a global customer base. The Tech Lead will remain hands-on in a full stack Ruby, Rails … Rails, TypeScript, React, AWS or similar stack Excellent problem-solving skills and the ability to work in a collaborative product led team Advocate for Software engineering best practice – Unit testing, CI/CD, Pair Programming etc Interested in working on complex problems with senior engineers The ability ...

Technical Lead - Ruby, TypeScript, React

Hiring Organisation
Spectrum IT Recruitment
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Technical lead – SaaS/AI scale up £90-£120k+ Benefits + Remote working A hands-on Tech Lead/Principal Software Engineer opportunity for an exciting tech business offering innovative products to a global customer base. The Tech Lead will remain hands-on in a full stack Ruby, Rails … Rails, TypeScript, React, AWS or similar stack Excellent problem-solving skills and the ability to work in a collaborative product led team Advocate for Software engineering best practice – Unit testing, CI/CD, Pair Programming etc Interested in working on complex problems with senior engineers The ability ...

Machine Learning Engineer

Hiring Organisation
Brio Digital
Location
Basildon, Essex, UK
Employment Type
Full-time
lead the design and productionisation of Generative AI and Large Language Model (LLM) applications. This role sits at the heart of an AI-focused engineering team, delivering scalable, production-grade systems using GCP and Google's AI ecosystem. You'll be a senior, hands-on engineer owning complex technical … usage, and content safety. Develop and deploy autonomous or semi-autonomous agents using modern agent frameworks and Google AI tooling. Collaborate with product and engineering teams to translate complex business requirements into ML-driven solutions. Monitor, optimise, and continuously improve models in live production environments. Contribute to the architecture ...

Machine Learning Engineer

Hiring Organisation
Brio Digital
Location
Chelmsford, Essex, UK
Employment Type
Full-time
lead the design and productionisation of Generative AI and Large Language Model (LLM) applications. This role sits at the heart of an AI-focused engineering team, delivering scalable, production-grade systems using GCP and Google's AI ecosystem. You'll be a senior, hands-on engineer owning complex technical … usage, and content safety. Develop and deploy autonomous or semi-autonomous agents using modern agent frameworks and Google AI tooling. Collaborate with product and engineering teams to translate complex business requirements into ML-driven solutions. Monitor, optimise, and continuously improve models in live production environments. Contribute to the architecture ...

Frontend Developer

Hiring Organisation
Few&Far
Location
Basildon, Essex, UK
Employment Type
Full-time
product leverages custom large language models and cutting edge research in generative AI to deliver adaptive, personalised solutions. They're now growing their engineering team to take the platform to the next level. What You'll Do Build and maintain complex, high-performance front-end applications using React … Looking For Strong experience in React.js and TypeScript, ideally in production environments. Excellent algorithmic thinking and problem-solving skills. Background in Computer Science, Software Engineering, or similar technical discipline. Enthusiasm for AI and building products that integrate emerging technologies. Why Join £80k – £100k salary depending on experience. Work ...

Senior Software Engineer

Hiring Organisation
OptumUK
Location
Colchester, Essex, UK
Employment Type
Full-time
Vacancy Are you a Senior Software Developer looking to make a real impact in healthcare technology? Do you want to work on meaningful products that support medical professionals and trainees across the UK? If so, this could be the perfect opportunity for you. We're looking for a talented … motivated Senior Software Developer to join the FourteenFish team at Optum UK. You'll be part of a collaborative, forward-thinking group building world-class solutions that improve the lives of healthcare professionals. This role will see you working across our product suite, contributing to the design, development ...

Senior Software Engineer

Hiring Organisation
OptumUK
Location
Basildon, Essex, UK
Employment Type
Full-time
Vacancy Are you a Senior Software Developer looking to make a real impact in healthcare technology? Do you want to work on meaningful products that support medical professionals and trainees across the UK? If so, this could be the perfect opportunity for you. We're looking for a talented … motivated Senior Software Developer to join the FourteenFish team at Optum UK. You'll be part of a collaborative, forward-thinking group building world-class solutions that improve the lives of healthcare professionals. This role will see you working across our product suite, contributing to the design, development ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Colchester, Essex, UK
Employment Type
Full-time
developing products used by the world's largest Pharmaceutical Companies? Are you interested in working with pioneers in the field of AI and software engineering? Are you interested in innovating for impact? If you are then read on for a role with a difference where you can join … Collaborate on UI/UX integration, code reviews, architecture and roadmap decisions, and cross-functional work with data science, product, and commercial teams. Data Engineering - Design and maintain efficient data pipelines, ensuring smooth data flow between systems and LLM components while implementing robust validation, transformation, and enrichment processes. Cloud ...

Senior AI Engineer

Hiring Organisation
Circuit Medical
Location
Chelmsford, Essex, UK
Employment Type
Full-time
developing products used by the world's largest Pharmaceutical Companies? Are you interested in working with pioneers in the field of AI and software engineering? Are you interested in innovating for impact? If you are then read on for a role with a difference where you can join … Collaborate on UI/UX integration, code reviews, architecture and roadmap decisions, and cross-functional work with data science, product, and commercial teams. Data Engineering - Design and maintain efficient data pipelines, ensuring smooth data flow between systems and LLM components while implementing robust validation, transformation, and enrichment processes. Cloud ...

Palantir Consultant

Hiring Organisation
Staffworx
Location
Chelmsford, Essex, UK
Employment Type
Full-time
platform and application issues. Assist in applying non-functional requirements (SLA/SLOs, resilience, backup and recovery) defined by senior engineers. Client-Facing Engineering & Stakeholder Support Join technical discovery sessions to help translate business needs into Foundry use cases. Prepare and demo prototypes, data flows and applications to technical … design patterns and contribute improvements as you gain experience. Required Experience Commercial experience working with Palantir Foundry or AIP in an implementation, consulting or engineering role. Hands-on experience with: Building and maintaining pipelines and/or ontologies. Developing or supporting Foundry and AIP applications (Workshop, Code Repos, OSDK ...

Palantir Consultant

Hiring Organisation
Staffworx
Location
Colchester, Essex, UK
Employment Type
Full-time
platform and application issues. Assist in applying non-functional requirements (SLA/SLOs, resilience, backup and recovery) defined by senior engineers. Client-Facing Engineering & Stakeholder Support Join technical discovery sessions to help translate business needs into Foundry use cases. Prepare and demo prototypes, data flows and applications to technical … design patterns and contribute improvements as you gain experience. Required Experience Commercial experience working with Palantir Foundry or AIP in an implementation, consulting or engineering role. Hands-on experience with: Building and maintaining pipelines and/or ontologies. Developing or supporting Foundry and AIP applications (Workshop, Code Repos, OSDK ...

Senior Software Engineer

Hiring Organisation
Oscar Technology
Location
Hockley, Birmingham, West Midlands, England, United Kingdom
Employment Type
Full-Time
Salary
£55,000 - £65,000 per annum
Senior Software Engineer Salary: £55,000 - £65,000 Location: Birmingham (Hybrid - 2 days per week in office) Industry: Sustainable Technology/Data & Analytics Platforms The Opportunity I'm recruiting for a growing Birmingham-based tech company that's building open, scalable software used to power data-driven platforms … sustainability and energy space. This is an exciting opportunity for a Senior Software Engineer who wants to work on meaningful products, influence technical decisions, and be part of a team that genuinely values good engineering. You'll be joining a close-knit engineering team of around 12, with ...

Software Engineer

Hiring Organisation
Digital Waffle
Location
Colchester, Essex, UK
Employment Type
Full-time
fast-growing AI-driven SaaS company is hiring three Senior Software Engineers to join its engineering team. These are hands-on roles with a strong backend and architectural focus, ideal for engineers who enjoy working in scale up or startup environments and want to build high-quality, cloud … native software that powers real-world automation. You'll be part of cross-functional squads delivering modern, serverless, AI-enabled applications used in highly regulated industries. The company has a strong engineering culture, embraces AI-assisted development, and offers autonomy, impact, and the chance to help shape technical ...

Senior Software Engineer

Hiring Organisation
Aveni
Location
Basildon, Essex, UK
Employment Type
Full-time
rounds. Since then, we've continued to grow rapidly as adoption of AI in financial services accelerates, and we're now scaling our engineering organisation to meet that demand. Our engineering team includes experienced software engineers and PhD-level AI specialists, with strong ties to the University … Edinburgh, giving you access to exceptional expertise and opportunities for continuous learning as part of the day-to-day work. The Role As a Software Engineer at Aveni, you'll be responsible for building and scaling the products that sit on top of FinLLM (the UK's first ...

Control Systems Integration Engineer

Hiring Organisation
Adsyst Automation Ltd
Location
Woodford Green, Essex, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
full life cycle delivery of the project in both technical compliance and quality. Attending meetings with clients to discuss the design, surveys, software programming, configuration, testing and commissioning for projects. As a Controls Systems Intergration Engineer, you will bring an innovative approach to problem solving, you will be working … includes UK site commissioning (which may involve short periods away from home). What we require from you: Previous control system experience ( 2 years+ ) Software Engineering Degree and/or Electrical qualifications Experience with Allen Bradley, Siemens Mitsubishi PLC’s or experience of SCADA systems like Wonderware, Iconics ...

Frontend Developer

Hiring Organisation
rmg digital
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Front End Software Engineer Start: Jan 2026 Location: Remote (must be EU timezone) Rate: £350-£400 per day (outside IR35) Length: 4 weeks (possible extensions) We're looking for an experienced Front End Engineer to join a delivery-focused product team on a contract basis. You'll be working ...

Senior .NET React Software Engineer

Hiring Organisation
Roc Search
Location
Colchester, Essex, UK
Employment Type
Full-time
Title: Senior Software Engineer (.NET + React) Job Type: Permanent Location: UK Remote based Salary: £70,000-£80,000 (DOE) Skills: C#, .NET Core, React (Typescript), Azure, Microservices, Design Patterns Roc Search are seeking a Senior Software Developer with .NET and React experience to join a collaborative … team building globally used, cloud-based products. This is a hands-on role covering development, research, and maintenance across the full software development lifecycle. This is a fully remote role but they do have an office based in London. It is a greenfield project where you will be involved ...

Senior .NET React Software Engineer

Hiring Organisation
Roc Search
Location
Basildon, Essex, UK
Employment Type
Full-time
Title: Senior Software Engineer (.NET + React) Job Type: Permanent Location: UK Remote based Salary: £70,000-£80,000 (DOE) Skills: C#, .NET Core, React (Typescript), Azure, Microservices, Design Patterns Roc Search are seeking a Senior Software Developer with .NET and React experience to join a collaborative … team building globally used, cloud-based products. This is a hands-on role covering development, research, and maintenance across the full software development lifecycle. This is a fully remote role but they do have an office based in London. It is a greenfield project where you will be involved ...

Senior .NET React Software Engineer

Hiring Organisation
Roc Search
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Title: Senior Software Engineer (.NET + React) Job Type: Permanent Location: UK Remote based Salary: £70,000-£80,000 (DOE) Skills: C#, .NET Core, React (Typescript), Azure, Microservices, Design Patterns Roc Search are seeking a Senior Software Developer with .NET and React experience to join a collaborative … team building globally used, cloud-based products. This is a hands-on role covering development, research, and maintenance across the full software development lifecycle. This is a fully remote role but they do have an office based in London. It is a greenfield project where you will be involved ...

Senior Software Engineer

Hiring Organisation
Formula Recruitment
Location
Basildon, Essex, UK
Employment Type
Full-time
Senior Software Engineer (Blockchain) Location: Remote Salary: Up to £120,000 + Bonus Are you ready to shape the future of digital finance? We're partnering with a pioneering organisation at the forefront of blockchain innovation to find a Senior Software Engineer who thrives on solving complex problems … seamless experiences. Design and integrate yield-generating protocols and treasury management tools. Collaborate with cross-functional teams to ensure compliance, scalability, and security. Drive engineering excellence through best practices, testing, and mentorship. What We're Looking For: Senior level experience in fullstack and blockchain engineering. Deep expertise in Solidity ...

Software Engineer

Hiring Organisation
Understanding Recruitment
Location
Colchester, Essex, UK
Employment Type
Full-time
Low Latency C++ Engineer | Crypto Trading Powerhouse Up to £185,000 DOE + RSUs + Bonus + Benefits Fully Remote (must be based in the UK) Want to help shape the future of crypto trading ...

Graduate Software Engineer X 4

Hiring Organisation
Adria Solutions Ltd
Location
Cambridge, Saffron Walden, Essex, United Kingdom
Employment Type
Permanent
Salary
£30000 - £50000/annum
Graduate Software Engineer – High-Growth Research & Technology Company (Near Cambridge) My client is a fast-growing research and technology company near Cambridge, seeking a Graduate R&D Software Engineer to support a broad range of research and development activities. This is an exciting entry-level opportunity … motivated early-career engineer who enjoys variety, problem-solving, and working in a fast-paced, hands-on environment. Key Responsibilities Design and develop innovative software solutions in collaboration with the engineering team Build tools and methods for data gathering, preprocessing, and optimisation for machine learning and algorithm development ...

Software Engineer

Hiring Organisation
Harvey Nash
Location
Colchester, Essex, UK
Employment Type
Full-time
front-end and back-end elements of the system. This role is suitable for developers with a strong foundation in .NET and cloud-native engineering, and offers scope to grow technical ownership within a supportive, delivery-focused team. You'll be working in an environment that values collaboration, learning … continuous improvement. Key Responsibilities Design, build, test, and deploy robust software components using modern development tools and approaches. Contribute to the evolution of the platform's services and infrastructure, ensuring performance, resilience, and security. Support and extend CI/CD pipelines and contribute to the automation of deployment ...