1 to 25 of 44 Software Engineer Jobs in Essex

Senior Embedded Software Engineer

Hiring Organisation
Platform Recruitment
Location
Basildon, Essex, UK
Employment Type
Full-time
Senior Embedded Software Engineer | £60-70k | Cambridge Are you a highly experienced Embedded Software Engineer with a passion for problem-solving across the full product lifecycle? My client developed highly precise scientific instruments & sensors, and has received several accolades for their work over their impressive … history that spans several decades. Responsibilities as a Senior Embedded Software Engineer: Design and develop bare metal, RTOS, and DSP algorithm embedded software using C/C++ on ARM Cortex MCUs Create production support software, like test jig interfaces and calibration tools Troubleshoot hardware issues, perform ...

Software Engineer

Hiring Organisation
Constant Recruitment Ltd
Location
Bedlar's Green, Essex, United Kingdom
Employment Type
Permanent
Salary
£40000 - £50000/annum
Software Engineer Location: Bishops Stortford Salary: Up to £50k Do you have two years software development experience? Do you have a strong foundation in C# development? Would you enjoy working on projects that involve data integrations, security systems, and enterprise-scale solutions? This role is ideal … build on their skills with mentoring from senior engineers. The Company Our client is a fast-growing technology business that designs and delivers bespoke software solutions, data integrations, and consultancy services. Since their launch in 2020, they have built a strong reputation for developing custom integrations between third-party ...

C++ Software Engineer

Hiring Organisation
Matchtech
Location
Basildon, Essex, England, United Kingdom
Employment Type
Contractor
Contract Rate
£63.70 per hour
C++ Software Engineer - Defence sector Initial 3-month contract Basildon or Southampton (2-3 days onsite per week) £63.70ph, UMB, inside IR35 Please note SC level Security Clearance is required for this role, please only apply if you hold live SC or are eligible. Our client, a leader … Defence & Security sector, is seeking a C++ Software Engineer for an initial 3-month contract to join their team working on a range of cutting-edge defence projects. Key Responsibilities: Developing innovative software solutions and new features for defence applications Collaborating with a team of world-class ...

Software Engineer

Hiring Organisation
Oho Group Ltd
Location
Colchester, Essex, UK
Employment Type
Full-time
C++ Software Engineer - Fully Remote - Up To £200k We're currently working with a global leader in software development, offering a fully remote position for a Senior Software Engineer specializing in C++. They are experiencing an exciting period of growth and are looking to bring … working independently Strong communicator If this does look like something that could be of interest please apply as interviews are being scheduled! C++ Software Engineer - Fully Remote - Up To £200k ...

Senior Software Engineer

Hiring Organisation
Bright Purple
Location
Edinburgh, Daws Heath, Essex, United Kingdom
Employment Type
Permanent
Salary
£50000 - £80000/annum
Senior Fullstack Software Engineer – UK Remote Are you ready to put your technical expertise to work in transforming services that directly improve lives across the UK? Our client provides emergency accommodation and vital support for some of the country’s most vulnerable people – including survivors of domestic abuse … create safe environments and deliver innovative solutions that protect and empower those most in need. They are now looking for a Senior Software Engineer to take a key role in rebuilding and modernising their software landscape. This is a unique opportunity to shape critical systems that underpin ...

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 ...

Senior Embedded Software Engineer

Hiring Organisation
X4 Technology
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Embedded Software Engineer (Contract/Flexible) – Outside IR35 We are a small but established engineering firm looking to engage an experienced Embedded Software Engineer on a flexible, non-committed, Outside IR35 basis. Our existing embedded software contact is no longer available … seeking a trusted, go-to embedded engineer to support our products and future developments on an ongoing basis. This role is ideal for an experienced contractor or freelancer who values autonomy, flexibility, and long-term collaboration without fixed hours or guaranteed workload. The Role Act as the primary embedded ...

Senior Software Engineer (C++)

Hiring Organisation
CBSbutler
Location
Basildon, England, United Kingdom
Senior Software Engineer (C++) Basildon (1-2 days p/w) £65 - £70ph Initial 3 months (likely to extend) Are you a Software Engineer with C++ experience looking for your next challenge? We are on the hunt for talented software engineers to support our Integrated … range of defence projects. Direct industry experience is not required; we are happy to explore all backgrounds and help develop all our software engineers. This role requires working on the Basildon site 1-2 days a week when needed by the project but working from home possible at other ...

Software Engineer X 10

Hiring Organisation
Adria Solutions Ltd
Location
Cambridge, Saffron Walden, Essex, United Kingdom
Employment Type
Permanent
Salary
£30000 - £70000/annum
Software Engineer – Near Cambridge My client, a fast-growing AI company based near Cambridge, is seeking talented Software Engineers to join a small but rapidly expanding development team. This is an opportunity to work on a wide variety of projects—from early-stage prototypes to fully developed … hands-on role offering autonomy, responsibility, and exposure to diverse technical domains across the full R&D lifecycle. Key Responsibilities Designing and developing software for both prototype systems and production-ready products Working across multiple projects concurrently and adapting to varied technical challenges Collaborating with multidisciplinary engineers to integrate ...

Principal Software Engineer (Software Team Lead)

Hiring Organisation
Touchstone Advisory Limited
Location
Colchester, Essex, UK
Employment Type
Full-time
Location: United Kingdom – Remote Touchstone Advisory, a leading UK independent valuation advisory firm, is seeking an exceptional Principal Software Engineer to lead the evolution of our proprietary valuation platform—from a proven proof of concept to a robust, market-ready product. This is a rare opportunity to take … ownership of a core product within a successful, fast-growing advisory business that prises innovation, autonomy, and impact. As the technical leader of our software function, you will shape the product, the engineering culture, and the long-term tech strategy. About the role: You will be both the hands ...

C# Software Engineer

Hiring Organisation
Matchtech
Location
Basildon, Essex, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
month initial contract Rate: 64ph UMB (Inside IR35) Role details: Our client, a leading organisation in the Defence & Security sector, is seeking a Senior Software Engineer to join their team on a contract basis in Basildon. This role involves initial onsite work for 3-4 weeks to introduce … working with some on-site attendance to access test hardware. Key Responsibilities: Participate in requirements capture, design, verification and validation, and compliance processes Develop software compliant to DO-178C level D standards Utilise the Serena Dimensions CM tool for software configuration management Develop applications using MS Visual Studio ...

Senior Software Engineer

Hiring Organisation
Ryft
Location
Colchester, Essex, UK
Employment Type
Full-time
About the Job This position is for a Senior Software Engineer with a minimum of 5 years of experience in backend development and a passion for building robust, scalable systems. We are looking for an engineer with a strong background in the C# .NET ecosystem … preference for candidates with significant experience on AWS. Are you ready for a challenge? We're looking for a dynamic software engineer excited to help scale a fintech start-up. Here, you won't be bogged down by legacy code—you'll have the opportunity to build innovative ...

Software Engineer

Hiring Organisation
Venture 2
Location
Colchester, Essex, UK
Employment Type
Full-time
Software Engineer Venture 2 Venture 2 is building the next generation of AI-enabled products. Our work spans one-to-many inference systems with applications in anti-piracy, heavy industry optimisation, and prediction markets. We operate as a hybrid venture studio: developing our own D2C and B2B products … skills in Python. · Basic understanding of AI/ML models and how they are trained, deployed, and run. · Familiarity/understanding with version control software (git). · Ability to work in a fast-moving environment with evolving priorities. · Curiosity, initiative, and willingness to learn new tools and frameworks rapidly. ...

Senior Software Engineer

Hiring Organisation
Advanced Resource Managers
Location
Basildon, England, United Kingdom
Principal Software Engineer Basildon 3-Month Contract Paying up to £70p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance – please only apply if suitable Key Responsibilities … C++ software development Development of new applications to meet user expectations and within formal constraints Developing Windows & Linux applications Required Skillset: Understanding and knowledge of one or more of the following: C++ software development Experience using Rhapsody Development of new applications to meet user expectations and within formal ...

Principal Software Engineer

Hiring Organisation
Advanced Resource Managers Limited
Location
Basildon, Essex, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Principal Software Engineer Basildon 3-Month Contract Paying up to £70p/h (Inside IR35) Please note - due to the nature of the work, you will need to hold or be eligible to obtain a high level of UK Security clearance - please only apply if suitable Key Responsibilities … C++ software development Development of new applications to meet user expectations and within formal constraints Developing Windows & Linux application Required Skillset: Understanding and knowledge of one or more of the following: C++ software development Experience using Rhapsody Development of new applications to meet user expectations and within formal ...

Principal Software Engineer (.Net)

Hiring Organisation
Primis
Location
Colchester, Essex, UK
Employment Type
Full-time
Principal Software Engineer .NET £90,000-£110,000 Remote (UK) Do you thrive on building scalable solutions that power commerce worldwide? We're partnering with a rapidly expanding global payment platform fresh off a transformative acquisition. They're engineering a robust, merchant-centric ecosystem built on quality, resilience … scale - and they need exceptional .NET Software Engineers to drive this evolution. Your Impact: Design and develop mission-critical platform services, APIs, and merchant portals Drive performance optimisation and system reliability through intelligent engineering Champion engineering excellence in architecture, code quality, and delivery Partner with cross-functional teams ...

Software Engineer

Hiring Organisation
Coalesce Management Consulting
Location
Basildon, England, United Kingdom
Join our latest project! We’re supporting a major defence software programme and are now looking for an experienced Software Engineer (C#/.NET) to provide short-term delivery support. The project is in an active update and stabilisation phase and needs an engineer who can quickly get up to speed with an existing codebase. Development is largely complete, with the focus now on consolidating software, supporting builds and releases, and working through formal development and configuration processes. Due to the nature of the work, access to onsite integration equipment is required. ...

Principal Software Engineer

Hiring Organisation
OpenSolar
Location
Colchester, Essex, UK
Employment Type
Full-time
About Us: OpenSolar was founded in 2017 by global pioneers in solar software - Andrew Birch and Adam Pryor. OpenSolar exists to accelerate the adoption of solar and renewable energy globally. We provide the world's clean energy professionals with an end-to-end digital design, sales and management software … movement, creating a lasting impact on the world. All while being part of a passionate, fun, and highly collaborative team. The Role: The Principal Software Engineer (Full Stack) role is a full-time permanent position located in the United Kingdom and is a remote working role. You will ...

Senior Software Engineer (.NET, Azure) - Contract

Hiring Organisation
Curated
Location
Colchester, Essex, UK
Employment Type
Full-time
Senior Software Engineer - .Net, Azure. - Contract £700 - 750pd UK, Remote | Contract Inside IR35 Only | 6 months January start. Curated is partnering with a global SaaS scale-up undergoing a significant platform modernisation and growth phase. The business is scaling multiple engineering teams and is looking to bring … highly experienced contract Software Engineers to support complex, high-impact delivery. This role is suited to senior engineers who enjoy working on large, evolving platforms, modern cloud infrastructure, and solving non-trivial technical problems in fast-moving environments. The Role You will join a cross-functional product engineering team ...

Graduate R&D Software Engineer

Hiring Organisation
Polytec Personnel Ltd
Location
Saffron Walden, Essex, United Kingdom
Employment Type
Permanent
Location: Saffron Walden (CB11) Job Type: Permanent Hours: 9.00am - 5.30pm Monday - Friday Salary: Competitive Job Reference: 35901 We are seeking a Graduate RandD Software Engineer to join our Saffron Walden based client. You will join a fast-growing research and technology company to support a wide range … research and development activities. This role suits an early-career engineer who enjoys variety, problem-solving and hands-on technical work. Responsibilities - Develop innovative software solutions alongside the engineering team - Build tools for data gathering, preprocessing and optimisation for ML and algorithm development - Maintain and support operational Linux ...

Senior Software Engineer

Hiring Organisation
Patchworks
Location
Colchester, Essex, UK
Employment Type
Full-time
lookout for a talented and experienced Senior Software Engineer to join our team. You'll play a pivotal role in solving technical challenges, developing new features, and ensuring the smooth operation of our platform. If you're looking for a role where you can leverage your technical skills … input, improved communication, and effective decision execution. Assist in project management activities, including estimation, scheduling, planning, and progress tracking. Play a key role in software deployment activities to our production data centre. Build a team player status, providing support to fellow team members and mentoring by setting an example. ...

Senior Software Engineer

Hiring Organisation
Aveni
Location
Colchester, Essex, UK
Employment Type
Full-time
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 of 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 LLM for the Financial Services industry) and other LLMs, enabling financial ...

Principal Software Engineer

Hiring Organisation
iVendi
Location
Colchester, Essex, UK
Employment Type
Full-time
looking for a senior Front End Software Engineer who can be the technical go-to person in their area, offering guidance, mentorship, and hands-on expertise. You will be a proven senior who still loves to code, enjoys taking ownership of front-end decisions, and wants to play … practices and setting high technical standards. Working closely with product managers, QA, designers, and other engineers, taking on and integrating feedback. Delivering fully tested software iteratively and continuously. Creating beautiful, usable, user friendly solutions. Scoping projects, identifying opportunities, and delivering effective solutions. Prototyping new ideas and pushing boundaries ...

Senior Software Engineer - Backend

Hiring Organisation
Zettafleet
Location
Chelmsford, Essex, UK
Employment Type
Full-time
required or expected to have background in Machine Learning. This is an applied role, and we are looking to hire a software engineer with experience in cloud computing and distributed systems. In this role, you will: Design and develop highly-scalable, fault tolerant and event driven systems that … native technologies: Experience in architecting and deploying in cloud platforms (e.g., AWS, GCP or Azure), an understanding of containerisation (e.g., Docker), infrastructure-as-code software (e.g., Terraform), and observability platforms (e.g., Datadog or Grafana). Strong ownership mindset: You naturally take responsibility for outcomes, not just tasks, and care ...

Senior Software Engineer (PHP)

Hiring Organisation
True9
Location
Colchester, Essex, UK
Employment Type
Full-time
love untangling hard problems, improving legacy systems, and shipping clean, tested code, you'll fit right in. Your role as a Senior PHP Software Engineer at True9: Lead the back-end - write clean, maintainable, and scalable code using PHP and frameworks like Symfony across a variety of projects. ...