101 to 125 of 126 Senior Developer Jobs in the South East

used the platform across tens of thousands of schools. The program combines writing challenges, character creation, and curated tutor feedback to boost engagement and learning. Role Overview As a Senior Full‐Stack JavaScript Developer , you will: Design, build, and enhance scalable frontend and backend systems within the core product (e.g. writing platform, dashboards, games, tutor and admin interfaces … that have real educational impact (millions of words written, thousands of stories created) Be part of cross‐functional, mission-driven teams contributing to product design, education and creative learning Senior role with ownership, responsibilities, and a meaningful stake in technical decisions Additional Details Location : London (hybrid and remote flexibility) Reporting to : CTO Start Date : Flexible; immediate availability preferred What More ❯

Job Title: Senior OpenLink Endur Developer 🏦 Company: Elite Global Commodities Trading Firm 💷 Salary: Up to £150k + an outstanding bonus package! 📍 Location: London (Hybrid) 🛠️ Skills: OpenLink Endur/OpenJVS/Java/C#/ETRM The Role: Lead the design, development, and optimisation of OpenLink Endur solutions across front-to-back trading workflows Build, customise, and support end More ❯

Job Title: Senior OpenLink Endur Developer 🏦 Company: Elite Global Commodities Trading Firm 💷 Salary: Up to £150k + an outstanding bonus package! 📍 Location: London (Hybrid) 🛠️ Skills: OpenLink Endur/OpenJVS/Java/C#/ETRM The Role: Lead the design, development, and optimisation of OpenLink Endur solutions across front-to-back trading workflows Build, customise, and support end More ❯

Job Title: Senior OpenLink Endur Developer 🏦 Company: Elite Global Commodities Trading Firm 💷 Salary: Up to £150k + an outstanding bonus package! 📍 Location: London (Hybrid) 🛠️ Skills: OpenLink Endur/OpenJVS/Java/C#/ETRM The Role: Lead the design, development, and optimisation of OpenLink Endur solutions across front-to-back trading workflows Build, customise, and support end More ❯

Software Developer (Python) | Mission-Driven EdTech Startup Do you want to use your Python expertise to build technology that makes a real difference in people’s lives? We’re a purpose-driven EdTech startup on a mission to transform learning outcomes for students across the UK — and we’re looking for a talented Python-focused Full Stack Developer … agile team — move fast, collaborate closely, and see your ideas in action. Real impact — your technical decisions will influence how thousands of students learn. If you’re a Python developer eager to build meaningful products and join an early-stage team with purpose, we’d love to hear from you. More ❯

Software Developer (Python) | Mission-Driven EdTech Startup Do you want to use your Python expertise to build technology that makes a real difference in people’s lives? We’re a purpose-driven EdTech startup on a mission to transform learning outcomes for students across the UK — and we’re looking for a talented Python-focused Full Stack Developer … agile team — move fast, collaborate closely, and see your ideas in action. Real impact — your technical decisions will influence how thousands of students learn. If you’re a Python developer eager to build meaningful products and join an early-stage team with purpose, we’d love to hear from you. More ❯

Software Developer (Python) | Mission-Driven EdTech Startup Do you want to use your Python expertise to build technology that makes a real difference in people’s lives? We’re a purpose-driven EdTech startup on a mission to transform learning outcomes for students across the UK — and we’re looking for a talented Python-focused Full Stack Developer … agile team — move fast, collaborate closely, and see your ideas in action. Real impact — your technical decisions will influence how thousands of students learn. If you’re a Python developer eager to build meaningful products and join an early-stage team with purpose, we’d love to hear from you. More ❯

travelers, driving engagement and loyalty by providing value to them through ownership of the loyalty program, credit card/gift card, and targeted CRM.We are seeking a highly skilled Senior Marketing Cloud Developer to join our team and help shape the future of personalized traveler engagement. This role will focus on building scalable, innovative solutions within Salesforce Marketing More ❯

in office 2 days per week in Central London. The company is expanding their team in the UK, and this is a rare opportunity to become the first onshore developer, working alongside the Project Manager, CTO and BA/Test Analyst. You will also work alongside the offshore team of 12 developers (Working to UK time zones). The More ❯

in office 2 days per week in Central London. The company is expanding their team in the UK, and this is a rare opportunity to become the first onshore developer, working alongside the Project Manager, CTO and BA/Test Analyst. You will also work alongside the offshore team of 12 developers (Working to UK time zones). The More ❯

I'm looking for a Senior TM1 (Planning Analytics) Developer to join BAE Systems in one of the following locations: Prestwick, Brough, Warton, Samlesbury, Bristol or Frimley. What you'll be doing: Collaborate with stakeholders, analysts, and developers to understand systems and translate business requirements into technical designs for IBM Planning Analytics (PA) solutions Develop, configure, and depl More ❯

Exciting opportunity for a Endur Developer to join this global Energy company. This is an exciting time to join this world-leading Energy company as it evolves from a traditional Oil & Gas enterprise into a future-focused Energy leader. This transformation includes the establishment of a highly successful new Power Trading desk within the Energy Trading team and ventures … individuals to contribute to the success of this evolution, working alongside some of the industry's top professionals and leveraging the very latest technology.Urgent demand for an experienced Endur Developer who has working experience as a Developer in Endur platform enhancements/implementations and strong Core Java skillsBased out of London working hybrid 2/3 days in More ❯

I'm looking for a Senior TM1 (Planning Analytics) Developer to join BAE Systems in one of the following locations: Prestwick, Brough, Warton, Samlesbury, Bristol or Frimley. What you'll be doing: Collaborate with stakeholders, analysts, and developers to understand systems and translate business requirements into technical designs for IBM Planning Analytics (PA) solutions Develop, configure, and depl More ❯

Solving varied real-world defence and security challenges through software Please note, candidates are required to secure Developed Vetting (DV) clearance for this role. This requires you to be a British citizen and have resided in the UK for at More ❯

onsite) Salary: Up to £95,000 + benefits Company Size: 50+ employees We’re partnered with a high-growth UK-based firm who are looking to bring in a Senior Ruby on Rails Developer . What we’re looking for 5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of More ❯

onsite) Salary: Up to £95,000 + benefits Company Size: 50+ employees We’re partnered with a high-growth UK-based firm who are looking to bring in a Senior Ruby on Rails Developer . What we’re looking for 5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of More ❯

onsite) Salary: Up to £95,000 + benefits Company Size: 50+ employees We’re partnered with a high-growth UK-based firm who are looking to bring in a Senior Ruby on Rails Developer . What we’re looking for 5+ years of experience with Ruby on Rails (Hotwire/Turbo/Stimulus a plus) Strong knowledge of More ❯

collaborative, supportive, and dynamic environment. They embrace flexible hybrid working while still valuing in-person collaboration, innovation, and team culture. The Role This is a fantastic opportunity for a Senior Frontend Engineer with strong experience in TypeScript and React. You’ll play a key role in building modular, user-focused products while collaborating closely with data, product, and design More ❯

collaborative, supportive, and dynamic environment. They embrace flexible hybrid working while still valuing in-person collaboration, innovation, and team culture. The Role This is a fantastic opportunity for a Senior Frontend Engineer with strong experience in TypeScript and React. You’ll play a key role in building modular, user-focused products while collaborating closely with data, product, and design More ❯

collaborative, supportive, and dynamic environment. They embrace flexible hybrid working while still valuing in-person collaboration, innovation, and team culture. The Role This is a fantastic opportunity for a Senior Frontend Engineer with strong experience in TypeScript and React. You’ll play a key role in building modular, user-focused products while collaborating closely with data, product, and design More ❯

Experienced Back End Typescript/Javascript Developer (AWS, Typescript, NodeJS, GraphQL) - TSDBE25 You will need extensive experience using Typescript and AWS services for this role. We develop the SaaS platform that keeps beer flowing through the UK’s pubs. We run a serverless stack, using the Serverless Framework, AWS Lambda, AWS AppSync and other AWS managed services. We use More ❯

Experienced Back End Typescript/Javascript Developer (AWS, Typescript, NodeJS, GraphQL) - TSDBE25 You will need extensive experience using Typescript and AWS services for this role. We develop the SaaS platform that keeps beer flowing through the UK’s pubs. We run a serverless stack, using the Serverless Framework, AWS Lambda, AWS AppSync and other AWS managed services. We use More ❯

I am currently working with a London-based financial services consultancy who are actively seeking multiple Senior Python Developers to join one of their prestigious end clients in the Investment Banking space. What you'll need to succeed : Extensive Python Development experience in Financial Services/Investment Banking - Mandatory. Strong experience with relational databases. Extensive AWS experience. Good experience More ❯

My client, a prestigious multi-strat hedge fund, is seeking an exceptional Data Engineer/Developer to join their Reporting & Analytics team within their London office. In this role, you will play a key role in designing and developing next-generation reporting and data analytics solutions, with a strong focus on P&L reporting and operational decision-making. As More ❯

My client, a prestigious multi-strat hedge fund, is seeking an exceptional Data Engineer/Developer to join their Reporting & Analytics team within their London office. In this role, you will play a key role in designing and developing next-generation reporting and data analytics solutions, with a strong focus on P&L reporting and operational decision-making. As More ❯