senior mainframe developer jobs in Stevenage

Job Description Development Management Implementation (DMI) Senior Engineer Are you a dynamic, creative and delivery focused Highways Engineering / Transport Planning professional. Can you use your first-rate technical skills to assist Tetra Tech in a new and exciting relationship with Hertfordshire County Council (HCC)? If so, we would like to hear from you. HCC has recently awarded Tetra...

Senior React Native Developer - Outside of IR-35 A leading Digital Agency/ Consultancy in London is on the search for a React Native Freelancer to join the team on a 6 month interim, this is 100% Remote. Rate - Up to £500 per day (Outside of IR-35) 100% Remote Please do apply, if you are available within the next 2 weeks. Senior React Native Developer - Outside of IR-35

You will have the opportunity to work on various modern web applications across a variety of platforms focusing on the backend. Should you choose, this role will allow you to expand your leadership capabilities as you progress in the company. The team tend to go into the Oxford office once a month.

Excellent opportunity for Front-End Developer looking to join a forward-thinking company producing award-winning software used by leading businesses across the globe. The successful Senior Frond Developer will need to have extensive commercial experience using ReactJS and should be comfortable working to their own initiative but also happy to mentor and offer guidance to the more junior members...

Senior Python Developer – iGaming (RGS Integration) Location: Buenos Aires, Argentina Salary: negotiable, depending on experience Clear Edge has partnered with a leading iGaming provider to recruit a Senior Python Developer. This is a chance to join a fast-growing company where you’ll play a vital role integrating their Remote Gaming Server (RGS) with global casino platforms, ensuring secure,...

Senior Backend Developer Location: London - 1x a month Salary: Up to £95,000 (D.O.E) + benefits Fruition Group working with a leading Insurtech unicorn on a mission to transform the insurance industry. Their products have already generated millions in revenue, and now they're investing heavily in new innovations that will shape the sector for years to come. This is an exciting opportunity for...

You will be responsible for the end-to-end design, development, and delivery of a critical, high-scale digital service. Leveraging your expertise across the full technology stack, you will build robust solutions that meet stringent standards for security, performance, and reliability.

Role: - Power Platform Senior Developer Job Summary – Design, develop Power Automate workflows including the creation of triggers, actions, conditions, and loops to automate business processes. Create and configure connectors and integrations between various systems and applications to enable data flow and automation. Power Shell scripting is preferred as well. Also, we should have experience...

Role: Senior Business Development Manager Location: England, Remote Drive Enterprise Growth Across Key European Market Our Client is an established B2B technology firm providing TAA Compliant, enterprise-grade industrial IT components (Memory, Storage, Networking) to the world's largest corporations. Their focus is critical infrastructure across key verticals such as Transportation, Aerospace...

About Apexon: Apexon brings together distinct core competencies – in AI, analytics, app development, cloud, commerce, CX, data, DevOps, IoT, mobile, quality engineering and UX, and our deep expertise in BFSI, healthcare, and life sciences – to help businesses capitalize on the unlimited opportunities digital offers. Our reputation is built on a comprehensive suite of engineering services, a...

Senior Python Developer - Python, Flask, SQL, AWS OB have partnered with a FinTech company, who are looking to bring on a Senior Python Developer to their highly skilled engineering team, where you'll have the opportunity to work closely with the CTO & Head of Engineering to have an impact from day one, and develop their systems. In this role, you'll design highly complex systems and...

Senior Golang Developers x 2 (React/AWS) - Remote - New Roles! A leading organisation in the Gloucestershire area requires a number of Senior Golang Developers to join its growing team. Suitable candidates will have strong Golang experience coupled with both React and AWS. in summarym the successful candidates will have the following: - Strong Golang experience - Proficiency in React and...

Senior Salesforce Developer - Service Cloud Location: London : (Hybrid: 2 days office-based, 3 days remote) Right to Work: Candidates must have the right to work in the UK without visa restrictions (no sponsorship offered) Our client is looking for a Senior Salesforce Developer responsible for hands-on Salesforce development and platform optimisation. This role focuses on designing and...

Senior Sitecore Developer Remote (UK based) £60,000-£80,000 This is an opportunity to join a major international consultancy and be a key part of their Sitecore team. They are the go-to business in their sector and operate across the globe with some incredible clients. They need an experienced Sitecore developer with exstensive consultancy/agency experience to slot into their team and get...

About PostGrid: PostGrid is a global leader in enterprise SaaS platform for automated offline communications. Our robust APIs empower organizations to create, personalize, and dispatch physical mail letters, postcards, checks, and more to any address on the globe without ever touching an envelope, while ensuring clean address data. Operating at massive scale across multiple regions, we’re...

About Prighter Prighter is a fast-growing LegalTech company building productised services and SaaS solutions for compliance with data protection as well as AI & digital governance regulations. With the mission to enable companies around the world to comply with regulatory requirements for their digital business, our services and SaaS solutions guide our global clients through the increasingly...

Senior Full-Stack Developer | Symfony & React/Angular/Vue | Rapidly Expanding Tech Company My client is seeking a Senior Full Stack Developer with a passion for PHP Symfony & React, Angular or Vue to join their team. You'll be a key contributor to engineering efforts, working closely with our leadership to enhance and scale the core platforms. This is a hands-on position where you'll solve...

Senior Power Platform Developer Power Apps, Power Pages, Power Automate, Azure DevOps £500-550 per day, Outside IR35 Initially 4 Months (very likely extensions) Fully Remote (Must be UK based) One of our favorite Consulting partners urgently requires the services of a Senior Power Platform Developer to join a project team, delivering a high profile NHS project. Key Responsibilities: -...

You will be responsible for building scalable, high-performance Back End systems that power their banking platform.

We are looking to speak with high performing Senior Sales Development Representatives for our client, a growing SaaS company. If you are looking to take the next step in your career and have Enterprise SDR experience, please apply. Key Responsibilities: - Execute highly personalised, multi-channel outbound campaigns to generate qualified meetings for the Enterprise Account Executive team. -...