Senior software engineer jobs in london, greater london
Oak is a fully remote, mission-driven organisation offering high levels of flexibility, autonomy, and purpose. We’re a national not-for-profit working in partnership with teachers to create the highest-quality, sequenced curriculum and lesson resources for pupils across all subjects and age groups.
Our culture has been independently recognised through:
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Flexa verified (93% overall score, including 95% for working hours and 97% for role modelling)
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Escape the City's Top 1% Employers – based on anonymous colleague reviews of culture, development, and impact
�� About the Role
You’ll join our cross-functional Product & Engineering team to build and improve the digital platforms that teachers and pupils rely on every day. Working closely with product managers, designers, researchers, and curriculum specialists you will develop user-facing applications using technologies like TypeScript and Next.js. You’ll also interact with our backend systems using PostgreSQL databases and GraphQL APIs. In addition, you’ll help design, build, and maintain serverless functions on Google Cloud Platform to support our data ingestion pipelines.
This is a hands-on role with plenty of scope for technical leadership and mentoring, alongside the opportunity to shape our engineering practices and culture. You'll be part of a supportive, collaborative team that cares deeply about accessibility, usability, and delivering tools that genuinely improve learning.
�� What You’ll Be Doing
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Building responsive, accessible web interfaces using TypeScript and Next.js
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Designing and writing clean, well-tested code that’s easy to maintain and scale
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Acting as a go-to person for key areas of our codebase, while supporting continuous improvement
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Championing new tools or practices that improve the developer experience
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Supporting and mentoring colleagues across the team
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Taking part in our on-call rota to help keep our products reliable and available
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Collaborating with others across the organisation in multi-disciplinary squads
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Contributing to planning, retros, and the wider culture of Oak
�� What We’re Looking For
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Solid experience building production-level web applications with TypeScript and React/Next.js
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Experience working on cross-functional product teams in agile environments
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Understanding of automated testing and how different types (unit, integration, etc.) add value
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A thoughtful approach to accessibility and user experience
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Strong collaboration and communication skills
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Comfortable working independently in a remote setup, managing your time and relationships effectively
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A proactive, growth-oriented mindset and a desire to help others thrive
�� Our Benefits
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25 days annual leave, plus one extra day for each year of service (up to 28)
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Additional Oak closure days over Christmas/New Year
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11% employer pension contribution (with no minimum employee contribution)
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A 36-hour working week, with half-days on Fridays or every other Friday off
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Fully remote working — we’ll support your home set-up and offer coworking options if preferred
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Twice-yearly in-person offsites to collaborate, connect, and have fun
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A culture that genuinely supports flexibility, autonomy, and trust
�� Inclusion and Belonging
We believe diverse teams build better products. We warmly welcome applicants from all backgrounds, particularly those who are underrepresented in the tech and education sectors.
We use the Applied recruitment platform to help reduce bias in our hiring process.
�� Key Info
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Location: Remote, but you must be based in the UK with the legal right to work here
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Sponsorship: Unfortunately, we’re unable to offer visa sponsorship at this time
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Closing date: We’ll be reviewing applications as they come in and may close the role early
If this sounds like the kind of role and team where you could do your life’s best work, we’d love to hear from you.
Next steps
You’ll answer some questions related to your day-to-day job. After the advert closes, your answers will go through our sift process: all answers will be anonymised, randomised, and then reviewed by a panel of reviewers (real humans).
If you are shortlisted, we’ll invite you to the next stage, which will consist of a remote technical interview and a technical pairing session conducted over Zoom. This will last approximately two hours.
We love giving feedback, so at the end of the application process we'll share how well you performed.
We are aiming to start interviews in August 2025.
We are experiencing really good responses to our job adverts. This may lead us to close the role early, so if you are considering applying then please get your application in early to avoid missing out.
We are an equal opportunities employer.
We are committed to a policy of Equal Employment Opportunity and are determined to ensure that no applicant or employee receives less favourable treatment on the grounds of gender, age, disability, religion, belief, sexual orientation, marital status, or race, or is disadvantaged by conditions or requirements which cannot be shown to be justifiable.
Non Charity Employer 
101 - 500
The client requests no contact from agencies or media sales.
Thank you!
Why work for us?
This role is dynamic and challenging, offering a chance to leverage your technical expertise in a way that makes a real difference. You'll be at the forefront of our IT ServiceDesk, ensuring seamless and efficient use of O365 across the organization.
It’s an excellent move for your career development. You’ll have the opportunity to work with a diverse team, solve complex problems, and contribute to impactful projects. The role is crucial for our mission, as your work will directly support our efforts to tackle global poverty and social injustice. Your contributions will help ensure that our systems are robust, our staff empowered, and our operations running smoothly.
If you’re passionate about technology and looking to take your career to the next level while making a meaningful impact, this is the role for you!
At CARE International UK we affirm the dignity, potential and contribution of participants, donors, partners and staff. Our actions are consistent with our mission. We are honest and transparent in what we do and say and accept responsibility for our collective and individual actions. We work together effectively to serve the larger community. We constantly challenge ourselves to the highest levels of learning and performance to achieve greater impact.
About you
The candidate should possess a strong technical background with extensive hands-on experience in managing and supporting Office 365 environments. They should be proficient in troubleshooting and resolving issues related to Office 365 applications, including Exchange, SharePoint, Active Directory, Teams and the use of an IT Ticketing System. Additionally, familiarity with hardware support and the ability to manage and maintain Windows operating systems is crucial.
We are also looking for someone with excellent communication skills, both written and verbal, as they will need to interact with various stakeholders and provide clear, concise support. A proactive approach to problem-solving and the ability to work independently and as part of a team are also essential qualities for this role.
By focusing on these key attributes, we can ensure that we find the right individual who will thrive in this position and contribute positively to our team.
About the role
The role will work with the business, senior management, peers and vendors to support O365 applications, knowledge management using the SharePoint platform and general support in the full range of IT computer problems and queries, install and configure computer systems, diagnose hardware/software faults and solve technical application problems, either in person or via remote connections.
It is therefore essential that applicant is aware this role requires wide range of O365, systems and network skill set to deliver a first-class support service and ensure IT Support runs within agreed SLA’s.
The main areas of responsibility will be:
· O365 Apps
· SharePoint and Teams administration and support
· Azure and Active Directory maintenance
· Service Desk and General IT support
· Cyber awareness and action
· Documentation and Governance
· Automated deployment of software applications, security patch management and end-point
configuration.
· Business system implementations
About CARE
CARE International is one of the world’s leading humanitarian and development charities. We fight poverty and injustice in the world’s most vulnerable places. We save lives in disasters and conflicts. We stand with women, girls and their communities to achieve lasting change for a better future.
Safeguarding
CARE International UK has a zero-tolerance approach to any abuse to, sexual harassment of or exploitation of, a vulnerable adult or child by any of our staff, representatives or partners. CARE International UK expects all staff to share this commitment through our Safeguarding Policy (link here) and our Code of Conduct (link here). They are responsible for ensuring they understand and work within the remit of these policies throughout their time at CARE International UK.
Safeguarding our beneficiaries is our top priority in everything we do, including recruitment. All offers of employment at CARE International UK are subject to:
- satisfactory references. CARE International UK participates in the Inter Agency Misconduct Disclosure Scheme (link here).In line with this Scheme, we will request information from successful applicants’ previous employers about any findings of sexual exploitation, sexual abuse and/or sexual harassment during employment, or incidents under investigation when the applicant left employment.
- appropriate criminal record checks (including a Bridger check, link here).
By submitting an application, the applicant confirms his/her understanding of these recruitment procedures.
Equality and Diversity
We are committed to Equality and value Diversity.
We are a Disability Confident Employer and particularly welcome applications from disabled people. We guarantee interviews to disabled applicants who meet the essential criteria for the role (see person specification). If you require the candidate brief or need to submit your application in an alternative format, because of a disability, please do get in touch by sending an email to our HR team. We also encourage people from Black, Asian or Minority Ethnic (BAME) backgrounds or LGBT+ to apply for roles at CARE International UK.
Please note that in compliance with the Immigration, Asylum and Nationality Act 2006, all job offers at Care International UK are conditional on eligibility to work in the UK
Closing date: 22/08/2025
Interview date: 01/09/2025
