11 of 11 Permanent Senior Software Engineer Jobs in Chelmsford

Senior Software Engineer - ATE

Hiring Organisation
Concurrent
Location
Chelmsford, Essex, UK
Employment Type
Full-time
experts in what we do and are looking for more brilliant people to join our team. The Role We are looking for an experienced Senior Software Engineer – ATE to take a technical role in developing and maintaining automated test systems used to validate our advanced embedded computing … exacting standards for performance and reliability and to support the rapidly growing production of our products. What will I be delivering? As a Senior Software Engineer within the ATE team, you will be responsible for the design, architecture, and implementation of complex automated test software solutions. ...

Senior Software Engineer - 2-3 month Contract

Hiring Organisation
EverGive
Location
Chelmsford, Essex, UK
Employment Type
Full-time
secure the financial future of humanity, and our macro-why is a free and happy society. ️Your Mission Join us as our Senior Software Engineer and help build the future of mission-driven giving! We're looking for a highly capable Senior Engineer who thrives … architecture discussions and decisions, identifying long-term risks and opportunities for the platform. Continuously improve performance, tooling, workflows, and overall developer experience across the software lifecycle. Document with clarity so technical knowledge is complete, accurate, and useful for internal and external stakeholders. Enforce best practices across the team, including ...

Senior Software Engineer at rapidly scaling enterprise SaaS platform

Hiring Organisation
Jack & Jill
Location
Chelmsford, Essex, UK
Employment Type
Full-time
then helps you ace the interview. He'll make sure you are considered for this role, and help you find others if you ask. Senior Software Engineer Company Description: Rapidly scaling enterprise SaaS platform Job Description: Join a dynamic engineering team building the next generation of enterprise … turn requirements into robust solutions. Mentor junior engineers and foster a culture of technical excellence and continuous improvement. The ideal candidate: 5+ years of software development experience, focused on backend systems. Proficient in modern programming languages (Python, Go, Java, Node.js) and cloud platforms. Proven ability to build and maintain ...

Senior Software Engineer | B2B SaaS Start Up $$$

Hiring Organisation
Oho Group Ltd
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Senior Python Engineer | Fully Remote | High-Growth Tech Startup - Highly Profitable - Product Focused Engineers - 110k + Equity Join one of the most exciting early-stage startups of the year — backed by founders with a proven track record of building successful companies and already showing strong market traction. This … tackle complex engineering challenges, work with modern tooling, and see the direct impact of your work every single day. The Role As a Senior Python Engineer, you'll join a small, sharp engineering team responsible for building robust backend systems and data-driven features. You'll help shape ...

Senior/Staff Software Engineer (Go, Cloud Native, Security)

Hiring Organisation
Cofide
Location
Chelmsford, Essex, UK
Employment Type
Full-time
cloud. This is your opportunity to get in at an early stage and help us build Cofide into an industry-defining company. Senior/Staff Software Engineer role: This is a full-time remote role for a Senior/Staff Software Engineer. At Cofide … cloud native distributed systems development, securing services (i.e. mTLS/PKI/OAuth/JWT, ideally with SPIFFE/SPIRE, service mesh), and software development with Go is required. Our tech stack includes gRPC APIs, PostgreSQL, SaaS, service mesh, Linux, Terraform, Helm, Docker and GitHub. Desirable soft skills include ...

Senior Software Engineer - React Native (UK/South Africa)

Hiring Organisation
Zepz
Location
Chelmsford, Essex, UK
Employment Type
Full-time
value individuals who are adaptable to a wide range of problems and challenges and can collaborate across teams to drive improvements. As a Software Engineer, you will work within cross-functional feature teams, which are part of broader engineering domains. You will have the autonomy to make platform ...

Senior Software Engineer ( C++)

Hiring Organisation
VANRATH
Location
Chelmsford, Essex, UK
Employment Type
Full-time
Senior C++ Developer -Contractor Long-Term Contract | Remote (Ireland & Northern Ireland) Start Date: January Multiple positions! A leading global FinTech organisation is seeking an experienced C++ Developers to join their engineering team on a long-term contracting basis starting in January. This is an excellent opportunity to work … reliable code for real-world financial applications. What We're Looking For Proven professional experience with modern C++ in production systems. Strong understanding of software engineering fundamentals, algorithms, and system architecture. Experience working in Agile or Lean environments. Bonus: experience in payments, financial services, or high-availability systems. Contract ...

Senior Software Engineer II, Messaging Platform

Hiring Organisation
HubSpot
Location
Chelmsford, Essex, UK
Employment Type
Full-time
combining distributed systems, networking, and performance engineering, forms the foundation of how customers communicate and grow with HubSpot. What You'll Do As a Senior Backend Engineer on the Email Sending Infrastructure team, you will: Design, build, and maintain high-scale backend services that support email sending, routing … Applicants: link to HubSpot India's equal opportunity policy here. About HubSpot HubSpot (NYSE: HUBS) is an AI-powered customer platform with all the software, integrations, and resources customers need to connect marketing, sales, and service. HubSpot's connected platform enables businesses to grow faster by focusing on what ...

Senior Software Engineer

Hiring Organisation
Mission.dev
Location
Chelmsford, Essex, UK
Employment Type
Full-time
client. Location: Open to candidates based in the UK only. Our company description Mission is a platform for hiring, vetting, and managing software development talent. It enables our clients to connect with the world's best talent to build mission-critical software products. About the client This organization … what a contemporary betting experience can be—fast, seamless, and tailored to today's digital audience's expectations. About the role The Lead Platform Engineer is responsible for the reliability, scalability, and performance of the core platform. You will guide architectural direction, lead complex infrastructure initiatives, and drive improvements ...

Senior Software Engineer Go

Hiring Organisation
Bud
Location
Chelmsford, Essex, UK
Employment Type
Full-time
work within an innovative team developing performant, scalable and reliable applications in Go. A Bit About Backend At Bud As a Backend Engineer, you'll be a key part of the development and maintenance of our back-end systems which are the foundation of our company's products ...

Senior ML/AI Software Engineer

Hiring Organisation
Sony Interactive Entertainment
Location
Chelmsford, Essex, UK
Employment Type
Full-time
recognized as a global leader in entertainment producing The PlayStation family of products and services including PlayStation5, PlayStation4, PlayStationVR, PlayStationPlus, acclaimed PlayStation software titles from PlayStation Studios, and more. PlayStation also strives to create an inclusive environment that empowers employees and embraces diversity. We welcome and encourage everyone … learning/AI, we assist in protecting the commerce ecosystem, facilitating business growth, and optimizing player experiences. About The Role We are seeking a Senior ML/AI Engineer to lead the design, optimization, and deployment of large-scale automation efforts, utilizing LLMs and generative AI as appropriate. ...