1 to 22 of 22 Permanent Principal Software Engineer Jobs with Hybrid or WFH Options

Principal Software Engineer Location: London (Hybrid) Salary: £90,000 - £103,000 Package: Up to 22% bonus The role We're searching for a Principle Software Engineer that can lead agile software development teams to deliver high quality, complex technology solutions. The Principle Software Engineer will be expected to lead by example, applying best practice agile and DevOps principles and be happy to get your hands dirty across a variety of technologies and understand common patterns across the full-stack of an application. The Client One of the UK's leading digital more »

Senior/Principal Developer (TypeScript, JavaScript, AWS) | £80-110k | Remote (Northern Ireland) VANRATH is delighted to be working on behalf of a dynamic tech company in Northern Ireland to hire a Senior or Principal Fullstack Developer . The company is looking for someone with strong experience in … opportunity for a skilled developer to work remotely within Northern Ireland while contributing to exciting, large-scale projects. The Role: As a Senior/Principal Developer , you will be responsible for designing and developing robust, scalable applications across both frontend and backend systems. You will collaborate with various teams more »

Principal Software Engineer My client is an innovative software company at the forefront of providing cutting-edge solutions to their market sector across the UK and Europe. Their vision is to provide market-leading technology that will drive success and collaboration within their niche industry. They … are now seeking a Principal Software Engineer to lead a talented team of engineers in delivering high-quality software products. This pivotal role will be instrumental in shaping the architecture of a new product and driving the evolution of their cloud-native systems. The Principal Engineer will work closely with cross-functional teams to ensure seamless integration and delivery of exceptional, customer-focused solutions. Principal Software Engineer Key Responsibilities: Lead cross-functional product delivery teams, ensuring hands-on software development and high-quality outcomes. Advocate for continuous improvement in more »

Job Description: PRINCIPAL SOFTWARE ENGINEER - DIGITAL ASSETS APIS The Role As a Principal Software Engineer for Digital Assets APIs, you will be responsible for building and maintaining a new API platform for accessing Fidelity Digital Assets Services. This is a hands-on role where … the needs of our customers. The Expertise and Skills You Bring Bachelor's degree in Computer Science or related field required 8+ years of software engineering experience Expert in designing, building, and documenting customer facing RESTful APIs Experience with WebSockets and/or FIX APIs is a plus Prior … patterns is preferred Exposure to infrastructure as code, test automation, CI/CD, and containerization Proficient in databases and SQL Ability to build reliable software that can withstand unreliable environments Strong analytical, communication, and organizational skills and the ability to handle multiple tasks at a given time Ability to more »

Job Description: The Role As a Principal Software Engineer for Digital Assets APIs, you will be responsible for building and maintaining a new API platform for accessing Fidelity Digital Assets Services. This is a hands-on role where you will work across engineering, architecture, and product teams … the needs of our customers. The Expertise and Skills You Bring Bachelor's degree in Computer Science or related field required 8+ years of software engineering experience Strong experience with Java and Spring Boot Expert in designing, building, and documenting customer facing RESTful APIs Experience with WebSockets and/… patterns is preferred Exposure to infrastructure as code, test automation, CI/CD, and containerization Proficient in databases and SQL Ability to build reliable software that can withstand unreliable environments Strong analytical, communication, and organizational skills and the ability to handle multiple tasks at a given time Ability to more »

Job Description: The Role As the Principal Software Engineer on the Common Library Team, you will design and build common capabilities that support projects spanning multiple engineering groups at Fidelity Digital Assets . Examples of common capabilities include messaging and leader election. This is a hands-on … experience with Java and Spring Boot Passionate about creating common libraries and services that increase the productivity of engineering teams Ability to build reliable software that can withstand unreliable environments Prior experience designing APIs and resilient messaging services Familiarity with AWS services architecture and solution patterns is preferred Proficient more »

Principal Software Engineer/Developer (Python React) WFH/London to £80k Are you an experienced Software Engineer with a strong knowledge of best practices and SaaS? You could be progressing your career in an impactful role at a start-up Cyber Risk technology company … that have been established 18 months, are fully funded and ready to scale. As a Principal Software Engineer you will collaborate closely with the CTO, participating in technical discussions, architecture and design as well as hands-on coding new features and enhancements. There's a focus on … constructive sessions once a month in the London office. About you: You have strong backend Python development skills You have a strong knowledge of software engineering best practices and full lifecycle development You're comfortable working across the full technology stack, ideally with React.js skills You have a strong more »

Principal Software Engineer - Hybrid working Salary up to £125k+ Benefits + Bonus A Principal Software Engineer/Lead Software Engineer is required to join a high performing software engineering department. The company are building on specific product skill sets within their … teams due to expansion and require an experienced Principal Engineer to play a key role in leading the delivery of key customer facing software products. The Principal Engineer will engage and lead experienced internal software engineers, utilising modern technology to create and deliver applications … one of their offices, which are in London, Hampshire, Berkshire areas (whichever is preferred). Responsibilities include: Influence technical direction across a range of Software products Implement and improve software engineering practices - SOLID principles, etc Play a key role in steering product delivery working with associated teams Write more »

Senior/Principal Software Engineer - Java/Kotlin Tier One Investment Banking Project £90,000-£130,000 basic salary We’re looking for a seasoned engineer to lead a greenfield project for a top-tier investment bank. You’ll be at the forefront, shaping data warehousing more »

Job Title: Principal Software Engineer Industry: Financial Technology (FinTech) Location: Flexible (Remote or Hybrid) Salary Range: Circa £100k Company Size: 400 employees Company Overview: In the dynamic realm of Digital Payments, where the total transaction value is set to soar to $500 billion in 2024, WeDo are more »

Senior/Principal Software Engineer required by a high-tech software company located in central Reading. As the company continues to scale, they are looking for Senior/Principal Software Engineers to work on their high-performance software systems. The company tends to … development of coding standards Work in conjunction with senior management, providing engineering expertise to help achieve business goals Key experience: Extensive commercial experience in software engineering, design, and architecture A passion for technology and using the most suitable tech to solve complex issues Microservices/highly scalable software … the following areas would be advantageous but is not a prerequisite: Cloud deployment - Docker, Kubernetes, Terraform etc React, Flutter or similar front end technologies Software security standards PostgreSQL The company operates a hybrid working model - 2 days a week in their brand-new office in Reading with amazing facilities. more »

Principal Software Engineer - Shape the Future of AI-Enhanced Cyber Defense Looking for a leadership role with hands-on engineering at its core? Join a dynamic, fast-paced AI cyber defense company pushing the boundaries of technology. As our Principal Software Engineer, you’ll … more! Become part of an exceptional team transforming AI-based cyber defense. Take this opportunity to lead and leave your mark on the future! Principal Software Engineer | AI-Driven Cybersecurity | Remote or London Office more »

Principal C++ Rust Software Engineer Competitive salaries and hybrid working This is a fantastic opportunity to join a well-funded start-up that is pioneering high-performance computing for the cryptography industry. The next stage of their evolution is to build their IaaS products/services, so … they are looking to hire Principal C++ Rust Software Engineer to provide the expertise to help them achieve their goals. You will be responsible for architecting a secure and robust library and the documentation of their system for internal and external consumption. As a growing start up … delivering secure code Knowledge of FHE and/or Cryptography Knowledge of the FHE libraries - TFHE-rs, concrete, OpenFHE or HEIRIf you are a Principal C++ Rust Software Engineer looking for an exciting opportunity within a growing start up, please apply to learn more. If you are more »

Avanti Recruitment is currently partnered with an established and growing software company that currently has an exciting opportunity for an experienced Developer to join the team at a Principal level. This company follows fantastic methodology, best practices and prides itself on writing strong, clean coded products. You will … be working .NET, Azure, Angular SQL and more. We are looking for Principal/Technical lead level Developers with experience on working on rejuvenation projects. This is a great opportunity to join a fantastic company and have a great level of architecture ownership. As part of this role you more »

Principal Software Engineer/Developer (Python React) WFH/London to £80k Are you an experienced Software Engineer with a strong knowledge of best practices and SaaS? You could be progressing your career in an impactful role at a start-up Cyber Risk technology company … that have been established 18 months, are fully funded and ready to scale. As a Principal Software Engineer you will collaborate closely with the CTO, participating in technical discussions, architecture and design as well as hands-on coding new features and enhancements. There's a focus on … constructive sessions once a month in the London office. About you: You have strong backend Python development skills You have a strong knowledge of software engineering best practices and full lifecycle development You're comfortable working across the full technology stack, ideally with React.js skills You have a strong more »

Principal Software Engineer Start-up | FinTech | Product Engineer | TypeScript | React | Senior - Principal Level | Frontend Bias Experienced full stack software engineers required by a London based FinTech Start-Up with Series A Funding! You will be joining a group of extremely talented engineers being backed … + Equity. Location: Central London. Hybrid model working 3 days per week onsite, 2 days remote. We are searching for Senior, Staff or Principal level software engineers. Whilst comfortable working across the stack, it is expected that you will have a bias towards frontend or backend development. Whilst … we are open to Software Engineers coming from varied technical backgrounds, the ideal profile will have strong product background and have worked in JavaScript/TypeScript ecosystems with a bias towards frontend development. If you want to work within a talented group of TypeScript engineers who also happen to more »

Are you an experienced Principal Software Engineer - Embedded Systems seeking a new challenge in embedded systems? Our Reading based client is a well-established leader, in designing and manufacturing cutting-edge products for a wide range of industries and applications. We're looking for a skilled Principal Software Engineer with deep expertise in embedded software development, particularly in embedded C/C++. As a Principal Software Engineer Embedded Systems , you will be hands-on, responsible for writing and reviewing code, solving complex technical challenges, and providing guidance to the software development team. Approximately 20% of your time will be dedicated to mentoring and offering technical leadership to the team. Key Responsibilities for the Principal Software Engineer - Embedded Systems, Reading: Hands-on programming in embedded C/C++. Work on low-level embedded software within an more »

Are you an experienced Principal Software Engineer - Embedded Systems seeking a new challenge in embedded systems? Our Reading based client is a well-established leader, in designing and manufacturing cutting-edge products for a wide range of industries and applications. We're looking for a skilled Principal Software Engineer with deep expertise in embedded software development, particularly in embedded C/C++. As a Principal Software Engineer – Embedded Systems , you will be hands-on, responsible for writing and reviewing code, solving complex technical challenges, and providing guidance to the software development team. Approximately 20% of your time will be dedicated to mentoring and offering technical leadership to the team. Key Responsibilities for the Principal Software Engineer - Embedded Systems, Reading: Hands-on programming in embedded C/C++. Work on low-level embedded software within an more »

Principal Backend Software Engineer/Developer (C# .Net Azure) London/WFH to £120k Do you have expertise with C# .Net backend development? You could be progressing your career in a high profile, impactful role, at a tech company that provide a SaaS product suite used by … customisable and engaging surveys. They've been consistently voted as a "Best Place to Work" overall, for Wellbeing and for Women. As a Backend Software Engineer you will collaborate closely with the CTO in leading the design, implementation and continuous improvement of backend systems and APIs using C# … challenging problems. There's a DevSecOps environment, you'll ensure the effective use of CI/CD pipelines, observability, automation and security throughout the software development lifecycle, collaborating with cross functional Agile teams. Location/WFH: There's a hybrid work from home policy with 2-3 days a more »

a new Director of Engineering who comes with some serious pedigree,the next step is to grow out their engineering function, now seeking a Principal Embedded Software Engineer with experience of Linux device driver development. You will be responsible for the design and development of PCIe Drivers … embedded systems and embedded applications for AI networking solutions. For this Principal Embedded Software Engineer, we are looking for someone with: Strong experience of Linux device driver development (ideally some experience with Linux PCIe driver development) Deep understanding of embedded programming in C and C++ Understanding of … computer architecture (CPU, SoC, ASIC, GPU) Any experience within network interface cards (NIC) is advantageous What Next? If youre an Embedded Software Engineer looking for an exciting new challenge within a great company, then please apply today to learn more! For more information on this role, or any more »

A World-Class technology company founded in Edinburgh are looking for an experienced Principal Software Engineer , ideally with a good background in Java and AWS, to lead several of their core squads. Really Modern Tech , great culture and flexible working on offer (hybrid policy of one day … importance on best practices and you'll be expected to really champion this within your role to make sure all the teams are delivering software to the highest possible level. You'll ideally have good experience with the following; ** Strong Programming skills; ideally with Java ** Software Architecture ** Cloud more »

Principal Embedded Software Engineer (Technical Lead) SpaceTech, Linux Permanent Highly competitive basic salary (Circa £100,000) per annum plus company equity, 5% pension, 25 days holiday, flexible working etc.. Principal Embedded Software Engineer with leadership experience and advanced skills in developing embedded software for a Space Tech start up based in Surrey who are developing next generation satellite and computation hardware. The Senior Embedded Software Engineer will play a key role in a growing team of high performing engineers developing groundbreaking software for hardware, including bare metal for controllers … in a scientific, mathematical or engineering subject Desirable skills: - Any experience within space or wireless communications development would be useful, although not essential The Principal Software Engineer will have exceptional opportunities for development and progression within a fast-growing innovative company and will be responsible for building more »